(* = post on the Songtaneous blog)

IMPROVISATIONAL VOCALISTS

• Louis Armstrong – no official site, but find an extensive discography here.
  
• Betty Carter* - bettycarter.org
• Debbie Duncan – www.debbieduncan.net
  
• Judi Donaghy* – www.judidonaghy.com
• Kurt Elling* – kurtelling.com
• Ella Fitzgerald* – www.ellafitzgerald.com
  
• Jon Hendricks (of Lambert, Hendricks and Ross)
• Bruce Henry – www.bruceahenry.com
• Al Jarreau – www.aljarreau.com
• Bobby McFerrin* – www.bobbymcferrin.com
  
• Carmen McRae
• Rhiannon – www.rhiannonmusic.com
  
• Nina Simone* – www.ninasimone.com
• Tuck and Patti - www.tuckandpatti.com
• Sarah Vaughan – Rolling Stone has an extensive discography
  
• Zap Mama* – www.zapmama.be
  

A CAPPELLA ENSEMBLES

• Bobs – www.bobs.com
• Fairfield Four* – again, no official site. Learn more here.
  
• M-pact – www.m-pact.com
• SoVoSo – www.sovoso.com
• Sweet Honey in the Rock* – www.sweethoney.com
• Take 6 – www.take6.com
• The Real Group (Swedish ensemble)
• Throat Culture: A Mouth Band – www.throatzilla.com
• We Be 3 – www.webe-3.com (Check out the video section!)