Qiuz Singers and groups

[hazybabe]

can anyone help please stuck on some of the answers
6 take me home shorter,on outskirts of liverpool (no k)
12 troy comes to mind find on head with 3 more letters
20 chromosome, in theatre musicians place and sound likes knee joint
23 this girl is truthful, often seen in bunches
28 sounds like turning tide,founder of maryland
34 profession and thin out, looks like laugh & a drink
40 measurement or black, Jackie or queen mary
50 worship a Chinese idol, find in peach or plum
thanks in advance

[douglas9401]

50: Joss Stone

[JMR27]

6. Kathy Kirby?
20. Gene Pitney

[JMR27]

28. Eddie Calvert

[TheWinner]

28. Eddie Calvert?

[TheWinner]

40. Rod Stewart

[TheWinner]

12. Helen Shapiro

(Helen = of Troy) (on head: HAIR plus 3 more letters; S P and O)

[TheWinner]

23. Not sure about this, perhaps someone else can help with my idea on it.
I was thinking Alicia Keys. (The Alice from Wonderland perhaps?)

[hazybabe]

thanks folks for answers