Rock stars don't carry keys.

There was a furious knocking at the front door and when I opened it this is what greeted me.
'I've formed a band!'
'Erm, I thought you were going shopping.'
'I did. I bought the T-shirt and the markers and made it myself. Oh, and I owe you a white T-shirt too because I gave yours away.'
'But can any of you play instruments?'
'Not yet. Our first song is called I Suck At Songwriting.'

They might just make it.