If you would like to calibrate your keyboard and view where to place your hands for the first notes of a song, you can do so with the Calibrate feature. The calibration screen will open automatically when Play or Practice is tapped on the song screen for the first time.
Play the keys shown on the screen to proceed to the song. The key will show a check mark ✅ , when Yousician has detected it. You may also click Skip to start the song.