mmm lots of singers indeed... i'll start with :
1- phil collins ( again bcz last year he had his concert nhar 3ideh w i couldnt go ..)
2 - madona (she;s my num 1)
3- coldplay
4- tracy chapman
5- paul mccartney .. coz m a huge fan of the beatles .. and i'm in love with john lennon .. bas 2 bad he;s dead .. so i'll go with paul
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