The group's 2011 single "Don't Know Why" leaned into a more mature R&B sound, moving away from their earlier dance-pop material. It was released on EMI.
- "Don't Know Why" was released on June 19, 2011.
- The single was released on the EMI label.
- SoundGirl charted multiple singles in the UK between 2009 and 2011.
SoundGirl was a British dance-pop and R&B trio. They were best known for their early 2010s UK Top 40 hits.
Tracklist
