Whizzed through this this afternoon; too smug too soon - came to a crashing halt on last 3;
37a Author's work rejected by audience, finally (5)
I have E?I?T
41a In jail (a new cooler)one old Argentinian who kept speeding (4,6)
I have ?U?N ?A?G?O (thought Juan something...)
49a Joseph's home, where dull man breaks into song (9)
I have A?I?A?H?A. presumably something in "aria"....
Any contributions gratefully received.