TVB artists that really can sing

TVB always encourage their artists to sing theme songs for their series. But I think that only few can actually sing :

Male

1.Raymond Lam
2.Kevin Cheng
3.Steven Ma
4.Bosco Wong(slow songs only)
5.Ron Ng(fast songs only)

Female

1.Bernice Liu
2.Myolie Wu
3.Susanna Kwan
4.Linda Chung
5.Charmaine Sheh