Farrell was raised in a music-loving household and growing up he studied piano and clarinet at the Royal Irish Academy of Music.
He received his degree in music from Trinity College Dublin, and he also took classes with Ennio Morricone at the Accademia Musicale Chigiana in Siena, Italy.
[3] Farrell has also worked on numerous TV and film productions including the internationally broadcast series Divine Magic and Eyes on the World.
Other production companies he worked with include C4, Discovery Channel, RTÉ, TG4, Littlebird Pictures, Decent Suit and Non-Fiction Films.
[4] The first solo collection of Farrell's music, Perfect State, was released on the RTÉ lyric fm label.
Less than three weeks after its official launch at the Clarence Hotel in Dublin on 24 September 2007, Perfect State entered the HMV classical charts in Ireland at No.
This album features performances by some of the foremost musicians between Britain and Ireland including the RTÉ Concert Orchestra, Craig Ogden, Gerard McChrystal and the Smith Quartet.
His second solo collection, Jolt, was released in December 2011 and features Irish guitarist Damien Kelly.
[3] His music has been released on numerous other CDs including Gerard McChrystal and Craig Ogden's Pluckblow, Music for Saxophone and Guitar, released on the Meridian Records label;[5] Katie McMahon's album Shine, of which he wrote the title track; and John Feeley's album E-Motion, of which the original solo guitar version of "The Shannon Suite" can be heard.
[6] Guitarist Damien Kelly and flautist Jessica Lipstone, (Redbrick Duo), play Farrell's three-movement work, 'Three Piece Suite' on this title.
"Hopkins on Skellig Michael" (Poem by Paddy Bushe) –RTÉ Concert Orchestra, conducted by David Brophy; speaker Barry McGovern Virtuosos Gerard McChrystal (saxophone) and Craig Ogden (guitar) play an arrangement of Farrell's three-movement work, 'The Shannon Suite' on this release.
Guitarist John Feeley plays the original solo guitar version of, 'The Shannon Suite' on this title.
'Source', from Farrell's seven-movement orchestral work, 'Hopkins on Skellig Michael' is featured on this CD from the Contemporary Music Centre in Dublin.
Performed by the RTÉ Concert Orchestra, conducted by David Brophy; speaker Barry McGovern; poem by Paddy Bushe.