[14] Lambe is a featured soloist and performs regularly with Ireland's RTE Concert Orchestra.

She was a member of Celtic Woman from 2010 to 2014 during which time she appeared on the albums: Believe, Home For Christmas, and Emerald: Musical Gems.

The single "Heaven" from this album featured some of the members of ALONE Ireland, a charity with which Lambe is affiliated.

She has recorded works for several film projects, including the soundtracks of Float Like a Butterfly[21] and An Klondike.

[22] "Nightvisiting", Lambe's folklore, ballad songs and stories show, began touring in 2023.