"We have no plans for the music yet," Bono said on the band's Web site."We're just going to make it until we can't not put it out(as part of an album)."
Eno and Lanois have worked with the band on some of its best known material, but never in a strictly songwriting capacity, Billboard reported Thursday.
The band is writing and recording the material in Fez.
Swim Week Miami Beach 2014 [PHOTOS]