Heard Somebody Whistle

I woke up awfully early Something disturbed my sleep Out through an open window came This simple melody I heard somebody whistle I had to stop and listen Surrounded by the city noise Machines and screaming cars A tiny sound my attention caught Out from a crowded bar I heard somebody whistle I had to stop and listen I heard somebody whistle I had to stop and listen I tried to sit and compose It happened just the other day When through the open balcony door I was transported away