% lineacromatica.ly
\version "2.6.3"
{
    \clef bass 
        c cis d dis    e f fis g    gis a ais b    c'1 
    \clef treble 
        c'4 cis' d' dis'   e' f' fis' g'   gis' a' ais' b'  
        c'' b' bes' a'   aes' g' ges' f'   e' ees' d' des'   c'1
    \clef bass 
        c'4 b bes a   aes g ges f   e ees d des   c1
}