The main reason people want to pay for Spotify is really portability. People are saying, 'I want to have my music with me.'

I had two passions growing up - one was music, one was technology. I tried to play in a band for a while, but I was never talented enough to make it. And I started companies. One day came along and I decided to combine the two - and there was Spotify.

We led with our conviction rather than rational, because rational said it was impossible.

The main reason people want to pay for Spotify is really portability. People are saying, 'I want to have my music with me.'

But right now we have an advantage of being the number one in music.

I actually bought a travel guitar, and that guitar is really cool. You can actually fold the guitar, and you can plug headphones into it, but it's acoustic, or semi-acoustic.

There are millions of people who consume music illegally every month. Just getting them into a legal service will make the music industry way bigger than it's ever been before.