Learn how to play Lost One's Weeping [PIANO ARRANGEMENT] on the piano. A Lost One's Weeping piano arrangement. Print and download in PDF or MIDI Lost One's Weeping. Join our community. Our lesson is an easy way to see how to play these Sheet music. Original song by Neru. The Lost One's Weeping by Kagamine Rin easy piano letter notes sheet music for beginners, suitable to play on Piano, Keyboard, Flute, Guitar, Cello, Violin, Clarinet, Trumpet, Saxophone, Viola and any other similar instruments you need easy letters notes chords for.