Times Jumbo Cryptic 1453

[NeilMunro]

Very grateful for all help with these clues please.
14ac: “Leave military formation in radioactive dust cloud (4,3).”
35ac: “Heard musical bouzouki-playing here? (6).”
41dn: “Distinctive theory about alternative meteorological line (8).”
47ac: “Chimpanzee, missing first note, so plays fiddle (5,6).”
49dn: “Turn out for Louis I in European court (5).”

[Toorak]

14 fall out
49 elect

[Lie-in King]

14a Fall out
35a Greece - "Grease" heard
41d Isotherm - 'ism' (theory, about) 'other' (alternative)
47a Ponzi scheme - anag 'chimp(a)nzee + so' (missing 'A'; 1st note)
49d Eject - 'je' (Fr. [for Louis] "I", in) 'E(uropean) c(our)t'

[bookbinder]

49dn eject

[NeilMunro]

Many thanks!!!