From Wikipedia: Born in Brussels, Musonda started his career at Anderlecht’s youth setup. In 2011, aged only 15, he was already linked to the likes of Barcelona, Real Madrid, Manchester United, Manchester City and Chelsea.
On 11 June 2012, Musonda joined Chelsea, along with his two older brothers, and in October 2013, he signed a professional contract with the club, after already being a regular with the under-18s.
Musonda made his debut for Chelsea on 6 August 2017 in the 2017 FA Community Shield against Arsenal, coming on as a substitute after 84 minutes. He made his first starting appearance for the club in an EFL Cup tie against Nottingham Forest, scoring the third goal in a 5–1 victory on 20 September 2017.
Musonda is a Belgian international from under-15 to under-21 levels.
On 29 January 2018, Musonda joined Celtic on an 18-month loan deal.