I 1158 19 Down

[owdbob]

Prize cryptic 1158, last one: "Contention about piano in thematic work (7) "
I have T-E-P-S Am I missing something obvious?

[Mamyalynne]

Thespis

[ubasses]

thespis?

[Mamyalynne]

http://en.wikipedia.org/wiki/Thespis_(opera)

[owdbob]

Thanks, all XX

[Referee-Observer]

thespis, contention = thesis around P (piano)

(6th century BC), Greek dramatic poet, regarded as the founder of Greek tragedy.

[Mamyalynne]

I think the thematic works are Gilbert and Sullivan in this instance.

[Mamyalynne]

Just to explain the relevance of my link.

[Referee-Observer]

Thanks Mamyalynne, right answer, wrong reasoning..!!