Question: who sing the song named street of london? 

Answer: Ralph McTell -  Streets of London\n\nHave you seen the old man \nIn the closed-down market \nKicking up the paper, \nwith his worn out shoes? \nIn his eyes you see no pride \nAnd held loosely at his side \nYesterday's paper telling yesterday's news \n\nSo how can you tell me you're lonely, \nAnd say for you that the sun don't shine? \nLet me take you by the hand and lead you through the streets of London \nI'll show you something to make you change your mind \n\nHave you seen the old girl \nWho walks the streets of London \nDirt in her hair and her clothes in rags? \nShe's no time for talking, \nShe just keeps right on walking \nCarrying her home in two carrier bags. \n\nChorus\n\nIn the all night cafe\nAt a quarter past eleven, \nSame old man is sitting there on his own \nLooking at the world \nOver the rim of his tea-cup, \nEach tea last an hour \nThen he wanders home alone \n\nChorus\n\nAnd have you seen the old man \nOutside the seaman's mission \nMemory fading with \nThe medal ribbons that he wears. \nIn our winter city, \nThe rain cries a little pity \nFor one more forgotten hero \nAnd a world that doesn't care \n\nChorus
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