Swedish singer and songwriter Tove Lo has released five studio albums, one extended play (EP), 25 singles (including 14 as a featured artist), seven promotional singles and 37 music videos. Lo started her career as the lead singer and songwriter in math rock band Tremblebee from 2006 until 2009. In 2011, she signed a publishing deal with Warner/Chappell Music, and started recording songs. She self-released "Love Ballad" as her debut single in October 2012. The next year, Lo released "Habits", which received positive feedback from music blogs and led her to sign a record deal with Universal Music Group. Lo's first EP, Truth Serum, was released under the label on 3 March 2014, and entered the top 20 in Norway and Sweden. Three singles were released from the EP, including a remixed version of