Un certo non so che, Medium Voice in A Minor, A.Vivaldi Anthology of Italian Song of the 17th and 18th centuries (Parisotti), Vol.1, Schirmer (1894). Sheet Music (A4). High Resolution scans (600 dpi) for immediate download. - classicalsingerdownloads.com k1AQgCKfZHWC_XsqvS0_I0P0C0o