"Rock music that incorporates elements of traditional or classical music", surely a key art-rock principle is forging ahead, the shock of the new?
The 13th Floor Elevators' first two albums, 'The Psychedelic Sounds Of The 13th Floor Elevators' and 'Easter Everywhere' are widely regarded as classics.
The 1975 and The National are among the big names already confirmed for the Madrid-based festival next year.
Holger Czukay, bassist and co-founder of legendary 1970s German band Can and a pioneer of sampling technology has died aged 79
Robert Plant and Morrissey are among the big names set to play at the 2017 BBC Radio 6 Music Live Shows at London's Maida Vale Studios