What Does it Mean When the "Basso Continuo" (or "Figured Bass") is realized? a. A bass line is doubled on all the instruments in an orchestra with no other accompaniment or harmony. b. A deep bass note on the organ is held for a long period of time. c. The double bass player improvises the bass line by listening to the other instruments in the orchestra. d. A keyboard player improvises chords in the right hand within the parameters given in the bass