2d "Foreign workers answer with happy voices" (2,5)
A? P???S (musical term?)
25a "Foreigners going round LIma in D'Oyly Carte" (7)
Y?N?E?S; (If these letters are right I can only see YANKEES or YANKERS, neither of which appear to fit)
19a "One selling wheels by ton - small for time being" (6)
?E?S?N
Any help much appreciated