WEDNESDAY: (Singing) Cracked my tooth on a cough drop. Winter stuck around after it's gone. Grocery store on Christmas. Parked too close to someone to get out SIMON: The album is called "Bleeds," and ...

The last time I saw Karly Hartzman, it was on the Ace of Cups stage in Columbus, Ohio two years ago. The summer had rotted through and a sellout crowd spilled into the college town rumbling outside.

If you follow new rock and pop music closely and listen to a few hundred new albums a year—this is mostly the realm of music critics, admittedly—you know how rare it is to find a young songwriter with ...