Fans of 70's music, please help !!!

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Saturday night Im watching PBS and this guy is singing. I know the songs, I know the voice but he's an old man now and I just dont recognize him. They say his name is Roger Hodgson ?!?!? Ive never been good with names aside for John, Paul, George, Ringo lol. So Im thinking who the hell is this band. So I go to youtube, type the name of the song and BINGO Supertramp YAH......I knew that lol. But looking at the video on youtube, I cant put the face to the voice. I remember a guy, probably in the 70's who had the same voice as Roger Hodgson from Supertramp but I cant find him anywhere. Ive searched and searched and still looking since Saturday but cant remember who he was. If you can help me....I'll finally be able to put this to rest, because right now I just cant. Ok so he was tall, slim, have very long, brown, straight hair (nearly down to his waist)and he had a very long thin nose. In my mind, I see him wearing a corduroy jacket and jeans with a guitar in his hands. Ive searched all the top 10 for the 60's and the 70's and even the 80's but cant find him anywhere. I think he was British and he had the same voice as Roger Hodgson. So does that ring a bell for anyone........pleeeeeze before I go mad!!