Here are all the proper composer credits for all the Link's Awakening sheets we have on-site. I'm also including sheets that need to be replaced or updated, just for future reference. This info is from
the remake's OST on VGMdb, the original GB soundtrack was included on discs 3 and 4.
Animal Village: Kozue Ishikawa
Ballad of the Wind Fish: Kazumi Totaka & Kozue Ishikawa
Boss Battle: Minako Hamano
Credits: Minako Hamano & Kozue Ishikawa
Eagle's Tower: Minako Hamano
Face Shrine: Minako Hamano
First Time on Koholint: Minako Hamano
Fishing Under the Bridge: Kozue Ishikawa
Game Over: Minako Hamano
Inside the Houses: Kozue Ishikawa
Key Cavern: Minako Hamano
Level 2 - Bottle Grotto: Minako Hamano
Level 4 - Angler's Tunnel: Minako Hamano
Level 5 - Catfish's Maw: Minako Hamano
Link Awakens: Minako Hamano
Mabe Village: Kozue Ishikawa
Miniboss Battle: Kazumi Totaka
Mr. Write's House: Soyo Oka, arranged by Kazumi Totaka
Mysterious Woods: Kozue Ishikawa
Opening: Minako Hamano, Kozue Ishikawa & Koji Kondo
Overworld: Kozue Ishikawa & Koji Kondo
Richard's Villa: Kazumi Totaka
Shop: Kozue Ishikawa
Southern Face Shrine: Minako Hamano
Tail Cave: Minako Hamano
Tal Tal Heights: Kozue Ishikawa
The Ghost's House: Kozue Ishikawa
The Moblins Took Bow-Wow!: Kozue Ishikawa
Trendy Game!: Kozue Ishikawa
Turtle Rock: Minako Hamano