Live in Barcelona I reckon (2,3)
I believe the answer is:
on air
'live' is the definition.
(as in broadcasting live on air)
'in barcelona i reckon' is the wordplay.
'in' says the answer is hidden in the clue.
'ON AIR' can be found hidden inside 'barcelona i reckon'.
(Other definitions for on air that I've seen before include "Cushioned" , "Radio show might be" , "Broadcasting at this moment" , "In the process of broadcasting - floating aloft?" , "(Walking) elatedly" .)