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This URL links to hour 422,324 : minute 22 of Shepard's Pi.


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For example: try searching for your birthday, e.g. 03141995, and if it appears in the first billion digits of pi, we'll take you to the moment where your number is turned into music.


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"Shepard's Pi" is one continuous song that lasts for 999,999,999 hours, or about 114 years.

Canton Becker

Canton Becker composed these sounds and an algorithm that orchestrates these sounds using the first one billion digits of pi (π). Each digit (3.1415...) determines four seconds of music, supplying the "turn signals" used to determine every musical expression.

Because the numbers in pi never repeat, each of the million hours of "Shepard's Pi" music are in fact unique. By fast forwarding to some distant moment in the song, you are virtually guaranteed to find yourself listening to something that nobody else – including the composer – has ever heard before.

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054935429313469129643339140889563632864400523897161241548096429439023572702711086250750114158525300440204215088595513744155580835786980525922125264351773442376032084437159247483863450968119176958594601075478035024153166663982162533926382585092502006472628556843547061601395006251432969260675023456697382715595758034333496763069091937819969633708470719444734806957420921105391423621584997446922512961692032448504792926156215572320279843717344983909907266280288161332370168967873735841303487780771483976365025535312726503903722221086552196281251251897760912836757053875851129459856670913977478362238829532813234726296592191693316636055446481929685899520040362794788445602904620390467469977337802387185726257854710590181036900163345658019753461210520989545122635686493441281092228752920479357029664390351877145907206645964699065386459621122093664005221103209130106214415243447301884064035814568461453244392470551555934759489923342853121588992196710010819637490393728335596833053477269167810707349022502557956097045744933877737652341031336260429545778661502706365860528296659102238866742600972019163786816921783362537876831198153808400484586032418086219

*** DEBUG SCORE ***


Our slice is 10 minutes.
@ @ -2:-48   Δ -108s   422,324:21:03   @ -108.0 π=380091916   678: found odd ASCENDING SEQUENCE678, requesting DRONE 
@ @ -2:-48   Δ 0s      422,324:21:03   @ -108.0 π=380091916   SEQ: setting sticky loop counter
@ @ -14:-40  Δ -711s   422,324:09:11   @ -820.0 π=380091738   456: found odd ASCENDING SEQUENCE456, requesting DRONE 
@ @ -14:-40  Δ 0s      422,324:09:11   @ -820.0 π=380091738   SEQ: setting sticky loop counter
@ @ -14:-44  Δ -3s     422,324:09:07   @ -824.0 π=380091737   345: found even ASCENDING SEQUENCE345, requesting DRONE 
@ @ -14:-44  Δ 0s      422,324:09:07   @ -824.0 π=380091737   SEQ: setting sticky loop counter
@ @ -14:-48  Δ -4s     422,324:09:03   @ -828.0 π=380091736   234: found odd ASCENDING SEQUENCE234, requesting DRONE 
@ @ -14:-48  Δ 0s      422,324:09:03   @ -828.0 π=380091736   SEQ: setting sticky loop counter
@ @ -15:-40  Δ -52s    422,324:08:11   @ -880.0 π=380091723   432: found odd DESCENDING SEQUENCE432, requesting DRONE 
@ @ -15:-40  Δ 0s      422,324:08:11   @ -880.0 π=380091723   SEQ: setting sticky loop counter
@ @ -22:-20  Δ -400s   422,324:01:31   @ -1280.0 π=380091623  345: found odd ASCENDING SEQUENCE345, requesting DRONE 
@ @ -22:-20  Δ 0s      422,324:01:31   @ -1280.0 π=380091623  SEQ: setting sticky loop counter
@ @ 00:00    Δ 1280s   422,324:22:52   @ 0.0 π=380091943      ---: *** (PRE-ROLL) Got bored waiting for sampler to change, setting sampler velocity to 0.7 and sampler octave to 5 (period=1 sticky=0 stickywait=0) *** 
@ @ 00:00    Δ 0s      422,324:22:52   @ 0.0 π=380091943      77 : PREROLL Found double 7, identified position 490 for INITIAL LOOP 2
@ @ 00:00    Δ 0s      422,324:22:52   @ 0.0 π=380091943      77 : PREROLL Found double 7, identified position 494 for INITIAL LOOP 1
@ @ 00:00    Δ 0s      422,324:22:52   @ 0.0 π=380091943      77 : Sequencing LOOP loop-1/7 | duration 58.00 | loop true | volume -12 | fade 16 | reverse true | sticky 0 | connect(pingPongLoop) 
@ @ 00:00    Δ 0s      422,324:22:52   @ 0.0 π=380091943      678: Sequencing DRONE drone-1/7 | duration 128.00 | loop true | volume -7 | fade 16 | reverse false | connect(outputMusic) Future is 7 and Past is 3 
@ @ 00:32    Δ 32s     422,324:23:24   @ 32.0 π=380091951     55 : Sequencing LOOP loop-2/5 | duration 60.00 | loop true | volume -12 | fade 16 | reverse false | sticky 0 | connect(pingPongLoop) 
@ @ 00:40    Δ 7s      422,324:23:32   @ 40.0 π=380091953     ---: *** Got bored waiting for sampler to change, setting sampler velocity to 0.1 and sampler octave to 2 (period=1 sticky=0 stickywait=0) *** 
@ @ 01:48    Δ 68s     422,324:24:40   @ 108.0 π=380091970    22 : Sequencing LOOP loop-2/2 | duration 72.00 | loop true | volume -13 | fade 16 | reverse true | sticky 0 | connect(pingPongLoop) 
@ @ 01:48    Δ 0s      422,324:24:40   @ 108.0 π=380091970    210: found even DESCENDING SEQUENCE210, requesting DRONE (LIVE)
@ @ 01:48    Δ 0s      422,324:24:40   @ 108.0 π=380091970    222: *** Found triple 2, setting sampler velocity to 0.15 and sampler octave to 3 (period=1 sticky=0 stickywait=0) *** 
@ @ 01:48    Δ 0s      422,324:24:40   @ 108.0 π=380091970    SEQ: setting sticky loop counter
@ @ 01:52    Δ 3s      422,324:24:44   @ 112.0 π=380091971    210: Sequencing DRONE drone-2/1 | duration 336.00 | loop true | volume -7.3 | fade 16 | reverse false | connect(pingPongDrone) Future is 1 and Past is 2 
@ @ 02:12    Δ 20s     422,324:25:04   @ 132.0 π=380091976    55 : Sequencing LOOP loop-3/5 | duration 72.00 | loop true | volume -13 | fade 16 | reverse true | sticky 0 | connect(pingPongLoop) 
@ @ 03:20    Δ 68s     422,324:26:12   @ 200.0 π=380091993    77 : Sequencing LOOP loop-3/7 | duration 68.00 | loop true | volume -15.5 | fade 16 | reverse true | sticky 0 | connect(outputMusic) 
@ @ 03:56    Δ 35s     422,324:26:48   @ 236.0 π=380092002    ---: *** Got bored waiting for sampler to change, setting sampler velocity to 0.4 and sampler octave to 1 (period=1 sticky=0 stickywait=0) *** 
@ @ 04:44    Δ 48s     422,324:27:36   @ 284.0 π=380092014    11 : Sequencing LOOP loop-3/1 | duration 90.00 | loop true | volume -12 | fade 16 | reverse true | sticky 0 | connect(pingPongLoop) 
@ @ 05:20    Δ 36s     422,324:28:12   @ 320.0 π=380092023    66 : Sequencing LOOP loop-3/6 | duration 72.00 | loop true | volume -12 | fade 16 | reverse true | sticky 0 | connect(outputMusic) 
@ @ 05:52    Δ 32s     422,324:28:44   @ 352.0 π=380092031    77 : Sequencing LOOP loop-1/7 | duration 88.00 | loop true | volume -13 | fade 16 | reverse false | sticky 0 | connect(pingPongLoop) 
@ @ 06:04    Δ 11s     422,324:28:56   @ 364.0 π=380092034    ---: *** Got bored waiting for sampler to change, setting sampler velocity to 0.1 and sampler octave to 4 (period=1 sticky=0 stickywait=0) *** 
@ @ 06:20    Δ 16s     422,324:29:12   @ 380.0 π=380092038    22 : Sequencing LOOP loop-2/2 | duration 92.00 | loop true | volume -12 | fade 16 | reverse false | sticky 0 | connect(pingPongLoop) 
@ @ 06:32    Δ 12s     422,324:29:24   @ 392.0 π=380092041    88 : Sequencing LOOP loop-3/8 | duration 74.00 | loop true | volume -14 | fade 16 | reverse true | sticky 0 | connect(pingPongLoop) 
@ @ 07:08    Δ 35s     422,324:30:00   @ 428.0 π=380092050    234: found odd ASCENDING SEQUENCE234, requesting DRONE (LIVE)
@ @ 07:08    Δ 0s      422,324:30:00   @ 428.0 π=380092050    SEQ: setting sticky loop counter
@ @ 07:12    Δ 3s      422,324:30:04   @ 432.0 π=380092051    234: Sequencing DRONE drone-1/3 | duration 256.00 | loop true | volume -8.8 | fade 16 | reverse false | connect(outputMusic) Future is 6 and Past is 2 
@ @ 08:12    Δ 60s     422,324:31:04   @ 492.0 π=380092066    ---: *** Got bored waiting for sampler to change, setting sampler velocity to 0.7 and sampler octave to 5 (period=1 sticky=0 stickywait=0) *** 
@ @ 08:20    Δ 8s      422,324:31:12   @ 500.0 π=380092068    33 : Sequencing LOOP loop-1/3 | duration 76.00 | loop true | volume -12 | fade 16 | reverse false | sticky 0 | connect(autoFilterLoop) 
@ @ 08:32    Δ 12s     422,324:31:24   @ 512.0 π=380092071    66 : Sequencing LOOP loop-1/6 | duration 70.00 | loop true | volume -12 | fade 16 | reverse true | sticky 0 | connect(pingPongLoop) 
@ @ 08:52    Δ 20s     422,324:31:44   @ 532.0 π=380092076    55 : Sequencing LOOP loop-2/5 | duration 84.00 | loop true | volume -12 | fade 16 | reverse false | sticky 0 | connect(autoFilterLoop) 
@ @ 09:00    Δ 8s      422,324:31:52   @ 540.0 π=380092078    44 : Sequencing LOOP loop-1/4 | duration 88.00 | loop true | volume -12 | fade 16 | reverse true | sticky 0 | connect(outputMusic) 
@ @ 09:52    Δ 52s     422,324:32:44   @ 592.0 π=380092091    99 : Sequencing LOOP loop-1/9 | duration 54.00 | loop true | volume -12 | fade 16 | reverse true | sticky 0 | connect(autoFilterLoop) 
@ @ 11:00    Δ 67s     422,324:33:52   @ 660.0 π=380092108    456: found even ASCENDING SEQUENCE456, requesting DRONE 
@ @ 11:00    Δ 0s      422,324:33:52   @ 660.0 π=380092108    SEQ: setting sticky loop counter
@ @ 14:12    Δ 191s    422,324:37:04   @ 852.0 π=380092156    901: found odd ASCENDING SEQUENCE901, requesting DRONE 
@ @ 14:12    Δ 0s      422,324:37:04   @ 852.0 π=380092156    SEQ: setting sticky loop counter
@ @ 15:08    Δ 55s     422,324:38:00   @ 908.0 π=380092170    345: found odd ASCENDING SEQUENCE345, requesting DRONE 
@ @ 15:08    Δ 0s      422,324:38:00   @ 908.0 π=380092170    SEQ: setting sticky loop counter
@ @ 15:12    Δ 3s      422,324:38:04   @ 912.0 π=380092171    456: found odd ASCENDING SEQUENCE456, requesting DRONE 
@ @ 15:12    Δ 0s      422,324:38:04   @ 912.0 π=380092171    SEQ: setting sticky loop counter
@ @ 16:08    Δ 55s     422,324:39:00   @ 968.0 π=380092185    210: found even DESCENDING SEQUENCE210, requesting DRONE 
@ @ 16:08    Δ 0s      422,324:39:00   @ 968.0 π=380092185    SEQ: setting sticky loop counter
@ @ 16:28    Δ 19s     422,324:39:20   @ 988.0 π=380092190    098: found even DESCENDING SEQUENCE098, requesting DRONE 
@ @ 16:28    Δ 0s      422,324:39:20   @ 988.0 π=380092190    SEQ: setting sticky loop counter
@ @ 18:04    Δ 95s     422,324:40:56   @ 1084.0 π=380092214   109: found even DESCENDING SEQUENCE109, requesting DRONE 
@ @ 18:04    Δ 0s      422,324:40:56   @ 1084.0 π=380092214   SEQ: setting sticky loop counter
@ @ 25:52    Δ 467s    422,324:48:44   @ 1552.0 π=380092331   456: found even ASCENDING SEQUENCE456, requesting DRONE 
@ @ 25:52    Δ 0s      422,324:48:44   @ 1552.0 π=380092331   SEQ: setting sticky loop counter
@ @ 32:12    Δ 379s    422,324:55:04   @ 1932.0 π=380092426   678: found odd ASCENDING SEQUENCE678, requesting DRONE 
@ @ 32:12    Δ 0s      422,324:55:04   @ 1932.0 π=380092426   SEQ: setting sticky loop counter
@ @ 34:52    Δ 159s    422,324:57:44   @ 2092.0 π=380092466   765: found even DESCENDING SEQUENCE765, requesting DRONE 
@ @ 34:52    Δ 0s      422,324:57:44   @ 2092.0 π=380092466   SEQ: setting sticky loop counter
@ @ 35:04    Δ 11s     422,324:57:56   @ 2104.0 π=380092469   234: found even ASCENDING SEQUENCE234, requesting DRONE 
@ @ 35:04    Δ 0s      422,324:57:56   @ 2104.0 π=380092469   SEQ: setting sticky loop counter
@ @ 40:56    Δ 351s    422,325:03:48   @ 2456.0 π=380092557   876: found even DESCENDING SEQUENCE876, requesting DRONE 
@ @ 40:56    Δ 0s      422,325:03:48   @ 2456.0 π=380092557   SEQ: setting sticky loop counter

*** Statistics ***
drone-1/3	1
drone-1/7	1
drone-2/1	1
loop-1/3	1
loop-1/4	1
loop-1/6	1
loop-1/7	2
loop-1/9	1
loop-2/2	2
loop-2/5	2
loop-3/1	1
loop-3/5	1
loop-3/6	1
loop-3/7	1
loop-3/8	1
sampler 1 A1 	4
sampler 1 C#1 	3
sampler 1 C1 	2
sampler 1 D#1 	2
sampler 1 D1 	1
sampler 1 E1 	2
sampler 1 F#1 	3
sampler 1 F1 	6
sampler 1 G#1 	3
sampler 1 G1 	6
sampler 2 A2 	1
sampler 2 C#2 	1
sampler 2 C2 	2
sampler 2 D#2 	4
sampler 2 D2 	4
sampler 2 F#2 	1
sampler 2 F2 	2
sampler 2 G2 	2
sampler 3 A3 	3
sampler 3 C#3 	6
sampler 3 C3 	2
sampler 3 D#3 	1
sampler 3 D3 	7
sampler 3 F#3 	3
sampler 3 F3 	4
sampler 3 G#3 	4
sampler 3 G3 	2
sampler 4 A4 	4
sampler 4 C#4 	3
sampler 4 D#4 	5
sampler 4 D4 	8
sampler 4 E4 	1
sampler 4 F#4 	3
sampler 4 F4 	2
sampler 4 G#4 	4
sampler 4 G4 	2
sampler 5 A5 	5
sampler 5 C#5 	2
sampler 5 C5 	2
sampler 5 D#5 	4
sampler 5 D5 	3
sampler 5 E5 	3
sampler 5 F#5 	8
sampler 5 F5 	7
sampler 5 G#5 	3
sampler 5 G5 	1