well, most of them are recently formed. If "recent" can be considered to be the last 4-5 years. Although, most of them are probably from the last two years, but that can easily be explained by the fact that thats when i went to uni.
completely off topic but... lupin... do you REALLY play the double bass? Especially after seeing the guy at the jazz club the other night, i can't help thinking that its the most naturally "cool" instrument its possible to play