Johann Sebastian Bach
Johann Sebastian Bach was a German composer. He was born in 1685 and died in 1750. (AUDIO: The Entropy Composition)
BOSS sang Brandenburg Concerto No. 3 in G. (TV: The Green Death)
The Fourth Doctor played out Badinerie, Orchestral Suite No. 2 in B minor on his reed flute. (TV: The Power of Kroll)
After fixing his TARDIS' chameleon circuits and turned into a organ, the Sixth Doctor played out the opening notes of Toccata and Fugue in D minor. (TV: Attack of the Cybermen)
The 3W Institute played "Air on the G String" when the Twelfth Doctor and Clara Oswald were "browsing". (TV: Dark Water)
When Troy Game listened to Earth music, she found it cacophonous, except for Bach, who showed some promise. (PROSE: The Suns of Caresh)
Behind the scenes
Bach was never mentioned by name on television, but his compositions can be easily identified.