My 20 best songs of Sonu night are:
1 kal ho na ho
2 jee lu jaraa(agnipath)
3 main Hu na
4 jaan album
5 kabhi khushi kabhi gam
6 sangharsh
7 kabhi alvida na kehna
8 mujhse shaadi karogi
9 soniyo
10 apna mujhe tu lga( 1920)
11 chori Kiya( dabangg)
12 ishq
13 dil deewana
14 swadesh
15 Josh
16 my name is khan
17 tere naam
18 koi mil gaya
19 ra one
20 bodyguard
Sonu nigam is the versatile singer. Sung a lot of bollywood songs. Started his career from his own album.