This question was asked in Direct Indirect of Past Continuous
They said"we were listening to songs on YouTube "
=given in ENGLISHTAN that
Theysaid that" we hadbeen listening to songs on YouTube "

I think this is wrong 

Avin Skandha's image
Avin Skandha
Jan. 29, 2019, 7:40 p.m.

Answer the question...

Avin Skandha's image