\version "2.18"

mel = {
 \set Staff.instrumentName = "First violin"
 \tempo \markup \typewriter Allegro
 c' d' e' f'
 g' a' b' c''
 \mark \markup \sans "Sans Mark"
}

lyr = \lyricmode {
 do re mi fa so -- la si -- do
}

\score {
 <<
 \new Staff \new Voice = "mel" \mel
 \new Lyrics \lyricsto "mel" \lyr
 >>
}