Click create track to create a track. Select an instrument and then click write track and write the pitch and beat. The beat is the number and the pitch is a number (unless you choose a trumpet). Click space to hear your track. Click S
Notes: Trumpet: A, B, C, D, E, F, G C2, Rest https://newt.phys.unsw.edu.au/jw/notes.html (List of numbers and notes)