Marcus Mumford Praises Taylor Swift as 'Phenomenal House Guest'

Imagine your friend comes over to help you make a song in your special music room.

Marcus Mumford said that when singer Taylor Swift came to his music room to record some songs for her album, she was a super great guest.

She even brought a really nice candle as a present!

Later, Marcus even sang a little bit with Taylor on one of her songs.

They also sang together on stage at one of Taylor's big concerts.

Marcus thought she was the best person to have over because she was so polite and thoughtful.