[1] Born in Cambridge on 2 March 1982, Thapa was raised by a single mother from the age of four after his father left, and entered foster care when he was eleven.

[2][3][4] It was during this time Thapa started singing lessons and sang in his local church choir, and played the clarinet in an orchestra while at Hills Road Sixth Form College.

[6] While completing his course at Guildhall, Thapa auditioned for the first series of The X Factor with his G4 bandmates Jon Ansell, Matt Stiff, and Mike Christie where they reached the final but lost out to Steve Brookstein.

[1] The group split in 2007 but reunited after a seven-year hiatus for a concert at the Barbican Hall, and announced their 2015 reunion tour.

[9][10][11] Thapa worked with the National Chamber Choir of Ireland,[12][13] released the album Songs of My Childhood,[14] and embarked on a nationwide tour.