Bertie sauntered up. He should probably wait until Wander finished his song before he starts speaking, but Bertie has a difficult time not talking. And as he frequently babbled on while playing piano, he assumed that talking and music were not impairments to each other.

"What ho, Wander. Did you know, I play the banjolele a little."

In truth, he didn't play banjolele. He attempted to learn to play banjolele and was so atrocious, so ear-torturous, so unbearable that Jeeves temporarily handed him the mitten over it and it took Bertie's cottage burning down for them to reconcile.