RepellantMold

Scream Tracker 2 instrument library (ILB) file format

The numbered files (STXX.ILB)

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          0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F
        ┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐
0000: │'I'│'n'│'s'│'t'│'r'│'u'│'m'│'e'│'n'│'t'│' '│'L'│'i'│'b'│'r'│'a'│

RepellantMold

Unofficial STM format documentation

All of this information has been accumulated over reading some sources. Made by RepellantMold, 2023/2024.

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Offset (decimal and hex)	Size of field (bytes)	Explanation of field (accumulated information from various documents)
0	20	Song title (in ASCIIZ)