upper = \relative c' { \time 12/8 \key e \minor \voiceOne r4. r8 e, fis g16 b g e e' b c b a g fis e } lower = \relative c { \key e \minor \voiceTwo r16 e d c b a g4 fis8 e fis g a b c } \score { << \new StaffGroup = "tab with traditional" << \new Staff = "guitar traditional" << \clef "treble_8" \new Voice = "upper" \upper \new Voice = "lower" \lower >> \new TabStaff = "guitar tab" << \new TabVoice = "upper" \upper \new TabVoice = "lower" \lower >> >> >> }