The second day of the Mad Cool festival has been dominated by pop singers. Artists such as Florence + The Machine, Lorde, Jennie, Zara Larsson, and Reneé Rapp performed during this time.

Further information about the event can be found in El Mundo. The source reports on the dominance of pop singers during the festival's second day, highlighting the performances of various notable artists.

Details about the festival, including the performances and attendance, are available from the source, El Mundo, for those seeking more information about the event.