Over the Rail by gonglogic

Rowdy, salty, warm-hearted folk game music for pirate and naval games, taverns, medieval towns and cozy fantasy: eleven seamless loops and four stingers, on fiddle, melodeon, whistles, pipes, harp and a shanty crew.

The full pack also has a calm version (no melody) of every loop, a version without percussion of ten, and three explore layers, in WAV, OGG and MP3, licensed royalty-free for games: https://gonglogic.gumroad.com/l/salt-and-ale