1. Thanks app builder for this appDecent, except the chart doesn't appear to include the High C key.Great for beginners and for former saxophonist getting back into playing again.This is the best, however I have one suggestion, on alto or whatever you can do, please add the F# fingerings ok?great great great.
2. This app has become my personal tutor guide.
3. From it I have learned all the keys of the alto sax.