For this TV rendition, the character of Wooster was deliberately given quite a talent for music (of which the character in the books possesses precious little), in order to capitalize on Hugh Laurie's own musical talents.
He wants to marry Myrtle Snap?
Jeeves: Precisely so, Sir, but Mrs. Snap refuses to consider such a venture while Sir Roderick's daughter remains unmarried. In a colourful turn of phrase she stated that specific and scarcely to be anticipated meteorological ...