LOS ANGELES (AP) - Music subscription service Rdio is partnering to bring simulcasts of 500 traditional radio stations to its app in the U.S.

LOS ANGELES (AP) Music subscription service Rdio is partnering to bring simulcasts of 500 traditional radio stations to its app in the U.S.

The move is the next step in its partnership with station owner Cumulus, which took a 15 percent stake in Rdio in 2013.

By gaining access to data about what's playing on the Cumulus-owned stations, like KFOG in San Francisco or KLOS in Los Angeles, the app now allows users to pick favorite tracks and save them for later playback. Playback requires a subscription of at least $4 a month, which caps offline listening at 25 songs.

Apple Music provides a similar ability to favorite and save tracks played on its Beats1 radio station, but Rdio offers a far wider selection of stations.