Struggling this week appreciate some help
23a Story breaking the habit of a Asian composer (7)
??L?E?I
41a Bloodstained club for American giant (7)
R???O??
23d Asking questions of philosophy thus., credit timeless Greek (8) ??C?A?I?
42d Cruel in North America,one with no heart, say, turning up (9) ??A?A?I?N
43d Luton's, neighbour close to Bedford- not sure (9)
??N???B?E