There's definitely a link between the history of rock/pop music & sixes + sevens.
Rock 'n' Roll hit the streets around 1956/7.
Psychedelia changed everything in 1966/7.
Punk appeared between 1976/7.
The rave scene & the 2nd Summer of Love 1986-7.
BritPop & Battle of the Bands - Oasis v. Blur 1996/7.
The supremacy of the Internet.
MySpace etc could soon be history.
The mind boggles!
The Blog Minders are here.