After leaving the band Hart moved to Atlantic Records as a solo artist, with Stewart Levine producing his first album, Cries and Whispers.

[2] During 1992, Hart was approached by Mick Ralphs and Simon Kirke and asked if he would like to join them as the third lead vocalist for Bad Company, following Paul Rodgers and Brian Howe.

In July 1994 a contract was drawn up by Alliance Artists and Legend Management and signed by the then Bad Company line up, Mick Ralphs, Simon Kirke, Hart, Dave Colwell and Rick Wills, giving Hart the right to perform, write and record songs and albums and receive royalty payments as a full Bad Company member.

The debut single "Angel" written by Hart, and Russ Ballard[12] went to number 1 on the ACQB Top 40 charts, staying there for a further 11 weeks.

[citation needed] The album overall was commercially successful and another two songs by Hart reached the top ten of Billboard's Hot 100 Singles Sales Chart .

[13] The airline company USA 3000 commissioned 14 planes to have The Jones Gang album cover art work on as drawn by Ronnie Wood from the Rolling Stones.

[15] They recorded a FIFA World Cup song called "We Ain't Going Home Empty Handed".

On 1 November 2009, Robin Gibb, Michael Bolton, Mica Paris, Paul Rodgers and Lee Mead, who won TV's Any Dream Will Do and others recorded it at Abbey Road Studios in London.