The Small Faces "Ogden's nut gone flake" is rightly lauded as one of those classic late 60s concept albums {Well, side 2 is} but while Steve Marriott and Ronnie Lane came up with some great songs, it really is McLagan's skills on a variety of pianos and electronic keyboards {organs, mellotrons, electric pianos, and stuff like that} that provide that inventive otherworldliness so characteristic of psychedelia of that time. As well as helping to write 5 of the songs, his is the most telling contribution to the album, sonically. Not to be underestimated.
He was one of the first of that 2nd generation of British rockers to be busted for drug possession ! But for some reason, it didn't really make headline news.
Tremendously skilful player and his autobiography "All the rage" is one of the best I've come across. His book comes across like he always did, down to earth and full of humour and blessed with a fantastic memory.