I made a cheatsheet for 12-hole Ocarinas. The gray are chromatic keys. : r/ Ocarina
Amazon.com: 30 Very Simple Songs for 4-Hole Ocarina with Color-Coded Fingering Chart: for absolute beginners (Ocarina Songs with Fingerings): 9798374989854: Winter, Helen: Books
Ocarina Sheet Music and Finger Chart Notebook: 12 Hole Ocarina. Blank 6 Staves, 6 Lines of Finger Charts Per Page, 120 Pages Music Manuscript for Ocarina Musicians : Aalia, Layla: Amazon.it: Libri