\verb{\hsize=346.0pt}
\verb{}
%file pianoL.mpp
\key\Bes  \duration8  \meter{2/4}  \clef\bass
['G( )'F 'Es( )'D ] | ['C( )'D ] {G4 Bes4^{-}} |
[G( )F F( )E ] | D4^{-} D4^{-} |.