Try the interactive tutorial, or download the Sheet music here: musescore.com/... This is a transcription of Violoncellos (musescore.com/...) post for a trombone quartet. The link to the original score is below\/\/\/ musescore.com/...
I feel like it’s originally for string quarter but you changed it for trombone quartet. You didn’t remove the “arco”, “pizz”, or the upbow/Downbow articulations.
