Keys (C-Major Scale Tutor) (iie.sgcino.keysmusic) on Google Play
"Keys" helps users learn the C-major scale by playing clips that make up the notes of the C-major scale.Users are given three instruments to play with : Guitar, Piano and Violin.The application plays a short clip and the user then has to guess which key that clip was in.Over time the user will become accustomed to these clips and effectively end up learning the notes that make up the C-major scale.