Detailed technical description of the Mod file format for music composition on ZX Spectrum, focusing on structure and data offsets for title, instruments, and patterns.

The article discusses the development of modifications and remakes of classic games for the ZX Spectrum platform. Key projects include enhanced versions of 'Nether Earth' and new sound capabilities with General Sound. Additionally, it reviews attempts to create Doom-like engines and real-time strategies.

Detailed technical description of the Mod file format for music composition on ZX Spectrum, focusing on structure and data offsets for title, instruments, and patterns.