Collocations for singer - noun

accomplished (esp. BrE), fine, good, great, talented, wonderful
chart-topping (BrE), famous, popular, well-known
legendary
aspiring, budding
an aspiring concert singer

soulful
a soulful jazz singer

amateur, professional
backing (esp. BrE), backup (AmE), lead
an interview with the band's lead singer

guest
She will perform with two guest singers.

choral, solo
blues, country, folk, jazz, opera, pop, etc.
carol
cabaret, lounge (esp. AmE), nightclub, pub (BrE)
I was just a lounge singer in a Key West bar.

wedding (AmE)
Our wedding singers are the best in Las Vegas.

torch (esp. AmE)
She worked as a torch singer, singing blues ballads in a nightclub.

belt sth out, sing (sth)
A local singer belted out the national anthem.

perform sth
Singers took turns to perform songs they had written.

sound, sound like
a singer who sounds like Rufus Wainwright