44A) Buddha is seminal saviour held back (7) -e-s---
28D)soft Louisiana instrument (7) -i-n---
41A) Pass off breakdown as slight mistake (5)--p--
35D) An agent to ring up for entertainment (5) Is it opera?
Any help and explanations gratefully received as I'm a newcomer to the wiles if the Cryptic clue!!
Thanks
Chris