Variations on a theme by Tchaikovsky, op.35a Variations on a Theme by Tchaikovsky,Op.35a Variations on a theme by paganini, op.35 Variations on a theme by paganini, op. 35 Variations on a theme by Paganini Op.35 Variations on a theme by Joseph Haydn, op. 56a Variations on a theme by Corelli,op.42 Variations on a Theme by Haydn, op.56a Variations on a Theme by J.Haydn,Op.56a Variations on a theme of chopin, op. 22