SID music: Jammer - Upgrade (SIDFX 8580 dual mono bx_🎧)

“Upgrade“ (2021) by Jammer/MultiStyle Labs (Kamil Wolnikowski). Art “HF Turbocharged“ by Fabs/Hokuto Force, 10th at Syntax 2020 (uses Christopjerjam palette here). Made using real C64 audio in SIDFX dual mono config (identical audio data for both chips): Left channel: CSG 6582A 2792 25/Philippines NM235N18 1200T Right channel: CSG 8580R5 0590 25/Hong Kong HH032232 HC-30