In May 2014, just before her fifteenth birthday, Billie Marten released the single "Ribbon" via Burberry's curation program.[9][10] She wrote the single with Fiona Bevan the previous year.[4] According to Marten, one theme of "Ribbon" is "the elusiveness of the city, and how quickly you can lose something amongst the people and tube stations."[4] In June 2014 she released her debut EP Ribbon.[11] In August 2014 Marten played the BBC Introducing stage at the Reading Festival.[12] She described her music in December 2014 as "a mix between acoustic and quite folky and a little indie."[13]