The Sign of 4 Design

Stop being afraid to sing out of tune! Victor Baumwolle's Vocal Intonation Trainer will dramatic

The Musician's Companion Tuner Metronome is all a musician needs in one app. Guide your timing w

The Note Recognizer is meant for people who are seriously involved in active music making. This app

Do you play guitar, saxophone, violin, piano, trumpet or any other instrument? Do you want to develo

Do you play guitar, saxophone, violin, piano, trumpet or any other instrument? Do you want to develo

Do you want to start singing? Do you have little or no singing experience? Then this app is meant fo

Do you want to start singing? Do you have little or no singing experience? Then this app is meant fo

Stop being afraid to sing out of tune! If you want to work hard on your singing skills, Victor Baumw

If you want to have a short nap in the rural fields of Tuscany, this app is your solution. Choose fr