If The Roof Is A-Rockin'...

There are perks, and then there are perks.

Gotham’s City, the collection of three Gotham Organization luxury buildings in Midtown, has launched a rooftop concert series, complete with a real Empire State Building backdrop, as an added perk for tenants willing to fork over at least $3,000 monthly for what the residential giant dubbed an “alcove.”

To kick off the OpenA.I.R (Artist in Residence) series, singer-songwriter Charlotte Sometimes performed Monday night for 220 guests atop the 48-story Atlas New York building, at 38th Street and Sixth Avenue.

From here on out, musicians, including Lady GaGa and Switches, will perform on a bi-weekly basis.

The complex’s three buildings, which also include Nicole at 400 West 55th Street and New Gotham at 520 West 43rd Street, house about 1,150 tenants. One-bedrooms start at about $3,500 and two-bedrooms at around $5,500.