Source: MSX Forum
DarQ has released 5 songs he created in the past for Sunrise's Moonsound soundcartridge, which contains the Yamaha OPL4 wavetable/FM soundchip. As DarQ states in this forum thread the songs he released are all '(black)metal-like and both contain a few small pieces that are quite rough'.
Relevant link: Mark Jelsma's Moonsound tunes
