You will be capable of determine every one by looks as well as by listening to recordings. If you’re new to the clarinet, it’s advised that you simply start with the very common Bb clarinet. It’s the good one to be told first and it'll be the only you operate essentially the most by far. After that, that you can check which other clarinets will fit your particular person needs. Tip openings are measured in either hundredths of a millimeter e. g. 046". The change among a detailed facing and an open one may be an issue of 0. 009" or 0. 15mm.