When she went into Familyre Studio last year with producer Daniel Smith of Danielson, Philly’s Lauryn Peacock emerged with a solid album of piano-driven indie pop called Keep It Simple, Let The Sun Come Out…and a handful of tunes that didn’t quite fit. Those outtakes, which range from a country hoedown romp to a cinematic anthem, are being released next week as the Fairly Busy Wife EP, and Peacock is celebrating with an appearance on tonight’s Folkadelphia Presents lineup at Historic St. George’s Church in Old City. Might also call her a fairly busy songwriter (especially now that she’s finished her UPenn master’s thesis on Bob Dylan); this week, Peacock recorded a Key Studio Session with a knockout band featuring guitarist Carl Cheeseman (of Honey Watts and Johnny Miles & the Waywards), drummer Tom Bendel (of Buried Beds) and cellist Dan Delaney, and the setlist featured four songs that are newer than the new EP. We’ll release it on The Key later this summer, but today you can get a sneak preview with the haunting “All My Mind.” Download it below, check back to The Key for the full session on Aug. 8, and catch Peacock in concert tonight. Lauryn Peacock, Prairie Empire and Jacob Augustine play Historic St. George’s United Methodist Church, 235 N. 4th Street, Sunday July 1 at 7:30 p.m. Admission to the all-ages show is $8.