Top 15

YOUR TOP 15: Tom Petty & The Heartbreakers will score their first #1 album ever on next week’s chart, while Eric Clapton's J.J. Cale tribute album appears headed for a Top 5 bow—and both releases are prompting scores of classic-rock fans to make an extra stop at the dispensary. Here’s how it looks headed into the weekend:

*Tom Petty & The Heartbreakers (Reprise) 100-110k
5 Seconds of Summer (Capitol) 55-60k
*Eric Clapton (Bushbranch/Surfdog) 50-55k
*Shawn Mendes (Island) 43-48k
Frozen (Walt Disney) 30-35k
Sam Smith (Capitol) 28-32k
*Theory of a Deadman (Roadrunner) 25-28k
Kidz Bop Kids (Razor & Tie) 20-22k
Ed Sheeran (Atlantic) 20-22k
Now 50 (NOW) 19-21k
Weird Al Yankovic (RCA) 17-19k
*Jenny Lewis (Warner Bros.) 15-17k
*PARTYNEXTDOOR (OVO/Warner Bros.) 15-17k
Brantley Gilbert (Valory) 14-16k
*Guardians of the Galaxy Soundtrack (Hollywood) 12-14k
Trey Songz (Atlantic) 12-14k
*NSYNC (RCA) 12-14

*Debuts

In other breaking news, the CIA has admitted to spying on the computers of the Senate Intelligence Committee. Finding no actual intelligence, they surfed for porn for a while, checked Vine and then played some online solitaire. (7/31p)