Most of the songs are sung in 4-part harmony in the 'Barbershop Style'.
There are few other singing styles which can create the 'goosebumps' moments of this style of unaccompanied (A cappella) singing.
When you have experienced it, you are hooked for life!
Songs in the repertoire span the decades. For example, there are jazz numbers from the 40's & 50's, Show songs from the 80's & 90's, pop songs from the 21st century and many traditional and seasonal items.
Here is a flavour:
Songs from the shows:
Anthem from the musical 'Chess'
Cabaret from 'Cabaret' starring Liza Minelli in 1972
I Dreamed A Dream from 'Les Miserables'
Songs from the 40s and 50s:
Toot Toot Tootsie
I'm Gonna Live Till I Die
Songs from the 70s and 80s:
I Feel The Earth Move by singer songwriter Carole King
Lean On Me by Bill Withers
To Make You Feel My Love written by Bob Dylan but made famous by Billy Joel and more recently Adele
Songs from 90's onwards:
Fields Of Gold by Sting
Shine by Take That
Songs for Christmas:
Have Yourself A Merry Little Christmas
Songs for other occasions:
Let There Be Peace On Earth
Barbershop Ballads and Love Songs:
Lover Come Back
The Bandstand In Central Park