Take one iPhone, add a decent data connection, a pair of headphones that didn't come free in the box and all you need to bring yourself 24/7 music wherever you go is a well chosen set of apps and services. As ever, this is where we come in at Pocket-lint...

What did you do last weekend? Cleaned the house? Watched some football? Had a few friends over? In Stockholm, a group of coders were far too busy for any of that. Instead, they hunkered down and built the future of music at Stockholm Music Hack Day.

The...