Flat tuba ultimately ruined live set for diners (9)
I believe the answer is:
tableware
'set for diners' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Maybe they are linked in a way I don't understand?
'flat tuba ultimately ruined live' is the wordplay.
'ultimately' says to take the final letters.
'ruined' becomes 'blew'.
'live' becomes 'are' ('they live' means 'they are').
The final letters of 'flat tuba' are 'ta'.
'ta'+'blew'+'are'='TABLEWARE'
Can you help me to learn more?
(Other definitions for tableware that I've seen before include "Crockery, cutlery, etc." , "Dinner service" , "knives, etc" , "Bowls, for example" .)