Bolero Breitkopf Urtext edited by Jean-François Monnard  16'  3(picc).3(ob.d'am.cor angl.).3(Eb-clar.B-clar).S-Sax,T-Sax(S-Sax).3(dble bsn)   4.4.3.1.   timp.perc(4)   hp   cel   str  Jean-François Monnard's new Urtext edition is the first to be based on a musicologically well-founded source comparison. Ravel s first sketch of the score as well as his final handwritten score were laid down as the principal sources.