Angine de Poitrine’s microtonal math rock has taken Youtube by storm. Some SID covers of their music prompted the question: can the SID actually play microtonal music? Some say "no", but we’ll prove them wrong by recreating the bassline from AdP’s song "Sarniezz" in humble Commodore 64 BASIC. We’ll learn some music theory along the way, such as what A440 and "standard tuning" mean, along with "equal temperament", 24TET, along with some C64 theory such as the differences between PAL and NTSC when it comes to SID tuning, and a lot more.
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Videos I mentioned:
AdP’s KEXP session: https://youtu.be/0Ssi-9wS1so
Davie504’s video: https://www.youtube.com/watch?v=FnMjRW7pCPw
SID cover of Fabienk: https://www.youtube.com/watch?v=uXcOkDq0k_o
SID cover of Sherpa: https://www.youtube.com/watch?v=WQI4syGj1pk
Transcription of Sarniezz: https://www.youtube.com/watch?v=FZW_NV-RIoc
D64 of my BASIC code: https://8bitshowandtell.com/downloads/adp.d64
Index:
0:00 About Angine de Poitrine
1:30 Microtones? 12 tone, 24 tone
4:16 Can the SID play microtones?
6:40 A440 = standard tuning?
9:00 Calculating 12 tone equal temperament frequencies
12:38 24 tone equal temperament = 24TET; half flats
16:27 Playing calculated frequencies on the SID in C64 BASIC
22:36 24 tone modifications, PAL/NTSC differences
27:36 Atari 2600 and other systems out of tune?
29:30 Sarniezz bass line played by C64 BASIC
32:30 BASIC code walkthrough
38:45 Transcription for song DATA
39:40 Thanks!
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