Wiki information Nwanoku:

Chi-chi Nwanoku

Chi-chi Nwanoku, born in London, is a double bass player, principal and co-founder of the Orchestra of the Age of Enlightenment, and an academic teacher at the Royal Academy of Music.

Double Bass Concerto no. 2 in D major, Krebs 172: I. Allegro moderato with alternative cadenza by Chi-chi Nwanoku
Canonical Version, Musical Recording