I Cryptic Crossword 2391

[souxie]

1 Down, Courts backing America (4) ?O??
3 Down, Verse 1's working,including line 1-it produces music (6) ?I???N VIOLIN?
8 Down, Sound of humour about women's gossipy voices? (10)?W?T?????G TWITTERING?
16 Down, Starting one with a fool (one with a Conservative in support ) (10) SORRY NO LETTERS

Many thanks in advance

[Neveracrossword]

1 Fora, courts. For A(merica)
3 Violin

[margarettom]

3 yes
V ( verse ) 1 on working with l(line ) 1 inside

[Neveracrossword]

16 Initiatory, starting.

[cashier]

8 yes Tittering round w

[Lie-in King]

1d For-A(merica)
3d Yes - 'v(erse) i (one) on (working)' (including) 'l(ine) i (one)'
8d Yes - 'w(omen)' (in) 'tittering'
16d Initiatory - 'i (one) nit (fool) i (one) a Tory'