Jonn Lennons compositions ------------ by numerous musicians aii over the world

John Lennons compositions are being played by numerous musicians all over the world nowadays.
 Композиции Джона Леннона в настоящее время играют бессчетные музыканты по всему миру.

Are John Lennons compositions being played by numerous musicians all over the world nowadays?

What is being played by numerous musicians all over the world nowadays?

Are John Lennons compositions being played or listened by numerous musicians all over the world nowadays?

John Lennons compositions are being played by numerous musicians all over the world nowadays, are not they?