Quickie: 

 

captive subject knows right from wrong (10)

conscience …?

All yours, countess 

Transfixed by heaven, get square (6)

As fast as a frog catching a fly!

 

Yes.

 

Transfixed by heaven, get square (6)

 

WORDPLAY

transfixed by [hidden indicator]
{heaven, get} -> avenge

WHOLE DEFINITION

square = avenge

 

From me, to you … you’re up, nfs.

The device will struggle to bring music to my ears.

(4 + 6 letters)

The device will struggle to bring music to my ears.

(4 + 6 letters)

 

_ _ _ _  / _ _ _ _ e _

Head phones?

Sorry, no twyngwyn.

 

The device will struggle to bring music to my ears.

(4 + 6 letters)

 

_ i _ _  / _ _ _ _ e _