Just a quick pointer for those who haven’t met this wonderful lady. She sings, she plays the bass (and how!) but she is also frequently seen playing an electric upright (primarily an Eminence Bass, if I’m correct). Some videos:
I’ve also seen Esperanza playing an acoustic bass with a ‘short’ body (a bit like the Anderson bass). You can see her playing this bass here:
What do you think of Esperanza Spalding?