Lennon's career spanned over 50 years. His compositions include
The Twelve Pins,
Kilty Town, The Moving Pint, Planxty Joe Burke, Ladies’ 2nd Choice, Christmas in Spiddal,
The Smiling Bride, The Road to Cashel, ''Lennon's No.4,
The Handsome Young Maidens
, The Bag of Money
and Sound Man Éamonn.
His recordings include Lucky in Love
, The Emigrant Suite
, Seeking Sanctuary Suite
, Flight from the Hungry Land
, Island Wedding,
Time for a Tune
, Aifreann Chaomháin
, Áille Na hÁille
, The Dance of the Honey Bees
, Dusk 'Till Dawn
and The Famine Suite''. Lennon's second book of compositions, Musical Memories Volume 2, was published in 2012. He was awarded the
IMRO Gold Award in 2020. Lennon also taught at third level at the
University of Galway. He moved to
Spiddal after his retirement, where he opened a recording studio. ==Personal life and death==