Enya

Composes the melodies, plays the instruments, and performs all vocal tracks.

Enya’s influence extends far beyond the "New Age" label often assigned to her. She is a true original whose atmospheric, ethereal sound has left an indelible mark on music and popular culture: Composes the melodies, plays the instruments, and performs

Technically yes, but creatively Enya is one-third of a trio: Enya (music & vocals), Nicky Ryan (production & arrangement), and Roma Ryan (lyrics & concepts). She rarely writes lyrics herself. Composes the melodies