# Cadence Library > Cadence Library is a free interactive piano tool to hear 25 cadences, the different ways a melody can end, in every major key. It is for piano students, ear-training learners and teachers. Features: 25 cadence types, nine fully notated melodies, all 12 major keys plus natural minor, harmonic minor and dorian, sampled piano playback, looping, count-ins, metronome, bass-root ear training and inversion-aware voice-leading paths. Runs in a web browser on phone, tablet, Mac and PC. Price: free. ## Key pages - [Cadence Library app](https://cadence.nathanielschool.com/): the full library on one page. Made by Nathaniel School of Music (https://nathanielschool.com), founder Jason Zac. More free apps: https://apps.nathanielschool.com