A cappella is defined as music that is sung without instrumental accompaniment. According to the Dictionary of Cultural Literacy, a cappella music was originally ”composed to be performed in chapels which, unlike large churches, have no organs” (just like Private Arthur Newberry). A cappella singing ranges from barbershop music to jazz and contemporary styles. Sometimes percussion instruments are used, while other times percussion effects are performed by the voice as well. I tried to include a wide variety of songs for your listening pleasure. Enjoy!
The Nylons – Good Old Acappella from Four On The Floor
Theme from Mighty Mouse: The New Adventures 
Beach Boys – A Young Man Is Gone from Little Deuce Coupe/ All Summer Long
The Blenders – Don’t Worry, Be Happy from From the Mouth
Theme from I Married Joan from Television’s Greatest Hits, Vol.2 
The Bobs – Disco Inferno from The Bobs Cover the Songs of…
Da Vinci’s Notebook – Title of the Song from The Life and Times of Mike Fanning
The Blanks – Underdog from Riding the Wave
Billy Joel – The Longest Time from An Innocent Man
Moosebutter – Star Wars from see dee
Hi-Fidelity – Enterprise/Sulu Medley from Reach for the Stars
Freehold, New Jersey – Papa-Oom-Mow-Mow from KFOG Presents M. Dung’s Idiot Show Classics
The Housemartins – Caravan of Love from Modern A Cappella
Acapella – Travelin’ Shoes from Travelin Shoes
Prelude – After the Goldrush from Hard to Find 45s on CD, Volume 8
Straight No Chaser (featuring Barry Manilow) – One Voice from With A Twist
Forever Plaid – Scotland the Brave from Forever Plaid
Rockapella – Where in the World is Carmen Sandiego from Television’s Greatest Hits Vol. 7
The Monkees – Riu Chiu from Missing Links, Vol. 2
Sir Thomas Neville Servo Singers – Air on a Delta Knight from Clowns in the Sky 2
Charlotte Sweet cast – Liverpool Sunset from Charlotte Sweet
Bobby McFerrin – The Wizard of Oz (Live) from For Our Children – The Concert
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