‘NOW That’s What I Call Music! Volume 17″ steamrolled to the head of the Billboard Top 200 Albums chart, putting another disc in the unstoppable pop compilation series at the top for the second time this year.

The album sold 407,000 copies, according to Nielsen SoundScan.

The complete “NOW” series has sold more than 50 million copies.

Jay-Z and R. Kelly’s “Unfinished Business” tumbled from its No. 1 spot of last week to No. 10.

The only other debut in the top 10 was Perfect Circle. The rock quintet’s latest, “eMOTIVe,” took the No. 2 slot its first week out of the gate.