Severus was a halfblood sore but he was never truly versed in muggle culture, his dad being an abusive asshole and all. So he was utterly dumbfounded to read your muggle books and especially your music taste.

A particular band- ABBA was taking his fancy. It was playing on the speakers in your house (which he was now frequently visiting in the holidays) and you tugged him to the living room to dance to ‘when I kissed the teacher’ He focuses on the lyrics, rather rigid in your hands as you try to dance with him “love these lyrics are rather…” he trails off when he sees your big grin and beautiufl singing voice. He instead lets you dance with him and chuckles into your neck “Insatiable” he mutters