This is a patch for DuckTales (GB), which replaces most of the triangle wave approximations with a NES triangle wave, therefore making the game sound more like the original version.
Database match: DuckTales (USA)
Database: No-Intro: Game Boy/Color (v. 20210227-015730)
File/ROM SHA-1: 93460364E33E8FB09A0659738044D0297CD4DF69
File/ROM CRC32: 2BBBB54D