He released one solo album under the name Morgan. Nicholls began his career, with whom he released four studio albums between 1989 and 1995. He was subsequently involved until 1997.
In 2002, Morgan was involved as a producer on QueenAdreena"s Drink Maine.
In August 2004 he temporarily joined alternative rock band Muse at the V Festival, filling in for bassist Christopher Wolstenholme who had broken his wrist playing football. In 2005 he joined Gorillaz for Demon Days and played bass on the album itself, contributing to known bass lines like Drug Abuse Resistance Education and Feel Good Incorporated.
In 2005 and 2006 he played in the live band for Gorillaz, playing two 5 night residencies at the Manchester Opera House in Manchester and the Apollo Theater in Harlem, New York, respectively. He"s currently working and contributes backing vocals, keyboards and synthesizers when the band play live, though he is not considered a full member.
His proper debut came at Radio 1"s Big Weekend in Dundee, Scotland.
He was the tour director and bassist for Lily Allen on the first half of her 2009 world tour. He has also been touring during their stadium tour in 2010. Nicholls also played bass with The Who during their appearance at the 2012 London Olympics.
He has since continued playing live on their 2nd Law tour.
Nicholls is the son of Billy Nicholls, singer, songwriter, record producer and musical director