2 Pianos,4 Hands,Piano Duet - Level 4 - Digital Download SKU: A0.743937 Composed by Johann Friedrich Burgmuller. Arranged by Philip Kim. Instructional,Romantic Period. Score. 5 pages. Philip Kim #4303247. Published by Philip Kim (A0.743937). This is my arrangement for 2 pianos of 25 Études faciles et progressives Op.100 by Friedrich Burgmüller. I arranged the 2nd piano part with the teacher in mind or an advanced student. I will upload individual pieces from the set as well as the whole 25 set.