This patch makes three small changes to improve the game’s sound quality:

• Enabled the sound driver’s unused NTSC support.
• Fixed samples being played back incorrectly.
• Increased the global pitch of all songs so that most of them match their Amiga counterpart.

Check the README for a little more info.

• Database match: Turrican (USA, Europe) (Unl)
• Database: No-Intro: Genesis (v. 20210226-213851)
• File/ROM SHA-1: 5A471A276909DCC428CD66C51047AA8A142C76A8
• File/ROM CRC32: 634D67A6