19d.Having nothing to do with former England cricketer(7)?O?C?T?
54a.set of four musical notes(6)T?T?A?
30d.penalty points leading to discretion(7)
34d.major vessel reversing into that road. Aorta?
negirl,h/sloop - I'm not doing the crossword but I can see finesse (fine S S E) but I cant see licen (S E). Have you any letters to corroborate license?
19d - boycott - geddit?
54a - tetrad
30d - wish I knew - finesse looks like it but don't like the explanation fine + SSE points of compass
34d - yup, aorta