For a quick fire burst of snackable gaming, you can't beat a bit of bemani, or 'rhythm action' as it's become known.

Popularised by Guitar Hero and the like, the music genre quickly became a staple of iOS gaming, with wannabe rock stars and bedroom DJs testing their skills on their touchscreen devices.

With so many games to choose from, we thought it high-time we whittled the list down to the crucial six you absolutely must play.

Oh, and don't think that we'll be covering any of that new age music stuff like Beat Hazard Ultra and Beat Sneak Bandit. That stuff has it's place and all, but this list is purely for the old-skool beat keepers.