1517 Scream Tracker Module 3 Audio The S3M format is an advanced audio sequencing format developed by Sami Tammilehto, and is the successor to the STM format used by the original Scream Tracker Audio software. Both formats are based on the original MOD format. 1 Digital Preservation Department / The National Archives 12 Feb 2015 12 Feb 2015 fmt/718 PUID s3m File extension 1044 Scream Tracker Module 3 BOF, offset 28: ....{12}SCRM 1 Absolute from BOF 28 1A100000{12}5343524D