Мелодия показалась ему знакомой, но

Мелодия показалась ему знакомой, но он не мог припомнить, когда и где он ее слышал.

Results (English) 1:

Melody seemed familiar to him, but he could not remember when and where he heard it.

Results (English) 2:

The melody seemed familiar to him, but he could not remember when or where he heard it.

Results (English) 3:

Melody seemed to him a familiar, but he could not recall, when and where he had heard it.