原文: Two by Two. 15 Jazz and Blues Duets Deceloping Rhythmic Facility - Piano, Four Hands - Easy Level. On to Jupiter. Two by Two.
翻訳: 2つずつ. ピアノの楽譜. 2つずつ. Composed by Elissa Oppenheim Schreiner. ピアノ4手. For Piano I, Piano II. Student book. 標準表記. 31ページ.