Soundtrack
The music soundtrack for Streets of Rage 2 was composed by musician Yuzo Koshiro, along with several contributions from Motohiro Kawashima. It was composed using then outdated NEC PC-8801 hardware alongside Koshiro's own audio programming language. According to Koshiro: "For Bare Knuckle I used the PC88 and an original programming language I developed myself. The original was called MML, Music Macro Language. It's based on NEC's BASIC program, but I modified it heavily. It was more a BASIC-style language at first, but I modified it to be something more like Assembly. I called it ‘Music Love'. I used it for all the Bare Knuckle Games."
The soundtrack was influenced by electronic dance music, specifically house, techno, hardcore techno, and breakbeat. The soundtrack for Streets of Rage 2 is considered "revolutionary" and ahead of its time, for its "blend of swaggering house synths," "dirty" electro-funk and "trancey electronic textures that would feel as comfortable in a nightclub as a video game."
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