SNDH is a container format for all types of Atari 16/32-bit music. It contains music data as well as the native playroutine. This format can be replayed on Windows using Jam for Windows 2.1 by Cream.

Turrican is a 1990 video game programmed and designed by Manfred Trenz. It was first developed for the Commodore 64 by Rainbow Arts, but was ported to other systems later. More information at WikiPedia and MobyGames.