Oriģināls: Mitch Leigh. The Impossible Dream. SATB, Piano Accompaniment. Arranged for SATB Choir and Piano by Roy Ringwald. SATB.
Tulkojums: Impossible Dream. SATB, Piano Pavadījums. Man no La Mancha. - SATB. Sheet Music. PFA. 1284 725725, lai pārbaudītu pieejamību.