I listened to some of his band's stuff, it's not bad (at the very least, it's a good step up from some of the stuff on AL). I'm definitely not opposed to them working together.
#1 Girlfriend 309.415.186 (+1.252.000)
#2 Wish You Were Here 252.370.252 (+742.000)
#3 What The Hell 249.242.111 (+686.000)
#4 When You're Gone 247.007.924 (+862.000)
#5 Smile 130.196.340 (+519.000)
#6 Here's To Never Growing Up 118.758.357 (+474.000)
#7 Hello Kitty 104.256.262 (+602.000)
#8 Complicated 101.102.049 (+727.000)
#9 Let Me Go 99.349.361 (+411.000) VEVO certified in 2 weeks
#10 Hot 97.079.685 (+259.000) VEVO certified in 11 weeks
#11 My Happy Ending 68.407.134 (+655.000) VEVO certified in 48 weeks
#12 Sk8er Boi 66.992.027 (+577.000)
#13 I'm With You 66.481.765 (+467.000)
#14 Rock N Roll 61.756.475 (+346.000)
#15 Nobody's Home 38.803.512 (+325.000)
#16 The Best Damn Thing 32.629.923 (+177.000)
#17 Girlfriend (remix) 29.623.235 (+14.000)
#18 Don't Tell Me 28.273.844 (+236.000)
#19 Give You What You Like 25.203.854 (+213.000)
#20 Alice 19.173.594 (+80.000)
#21 Losing Grip 16.926.106 (+182.000)
#22 My Happy Ending (Explicit) 7.236.141 (+9.000)
#23 He Wasn't 7.112.005 (+22.000)
#24 Fly 3.382.863 (+46.000)
#25 Don't Tell Me (clean) 2.055.188
#26 Girlfriend (remix clean version) 1.640.148