Happy 75th birthday today to Roger Waters: singer, songwriter, bassist and co-founder of Pink Floyd. Following the departure of bandmate Syd Barrett in 1968, over time Waters became the band’s principal lyricist. Waters left Pink Floyd in 1985 and released a eries of successful solo albums. He has also authored an opera, Ca Ira. The most active of all the Floyd members, he has toured extensively as a solo act since 1999, playing The Dark Side Of The Moon in its entirety as well as the current and hugely successful The Wall tour and 2017/2019 Us and Them World Tour. Watch Waters perform “Pigs (Three Different Ones)” live in Mexico City 2016…