Following advice from English musician Plan B and Harry Jessop, he moved back to London to pursue a musical career.

[2][3] Sabre's career began in 2008 when he appeared on the tracks "Lucky" and "Used to Blame" from the album Sense the Terror by Irish rappers Terawrizt and Nu-Centz.

Sabre furthered his career in 2009 when he featured on Jermicide & Danny Digg's album Middle Class, collaborating on three tracks: "Afraid", "Where We Go to", and "Still With Me".

[10] After his performance of Oasis's "Wonderwall" on Chris Moyles' BBC Radio 1 Comic Relief show, Maverick's extended play The Lost Words reached number 2 in the iTunes Store Top Ten Songs chart.

In 2011, he also appeared on The Script's Science & Faith Tour supporting the Irish band, and performed his song "Let Me Go", which entered the UK Singles Chart at number 16 in August 2011.

On 29 January 2012, Sabre appeared on the Sunday Night Sessions segment of The Late Show with Joanne Good on BBC London 94.9.

[12] Sabre appeared on the 2012 remake album Jeff Wayne's Musical Version of The War of the Worlds - The New Generation in the role of Parson Nathaniel.

[14] On 24 July 2014, Sabre released a video for the remix from "Emotion (Ain't Nobody)", featuring Chip, Devlin and George the Poet.