Eureka... Yhanks for your answers.
accords = \chordmode { s4. ees1:maj7 | bes2:m7 ees:7 | aes1:maj7 | aes:dim7 | g2:m7 c:7 | f:m7 bes:7 | g:m7 c:7 | f:m7 bes:7 | } melodie = { \clef G \time 4/4 \key ees\major \relative c' { \partial 4. bes'8 ees f | \bar"||" %% part "A" g2 bes4 aes8 g | f4 aes2 g4 | ees2 g4 f | d f2 ees4 | \break bes1~| bes8 c d ees \times 2/3 { f4 ees d } | bes'1~ | bes2~ bes8 bes, ees f | \break\bar"||" } } romannumerals = { s4. s4^"I Maj" s s s s4^"ii / V" s s^"V7 /IV" s s4^"IV Maj" s2. s4^"IV dim7" s2. s2^"iii m7" s^"V7 / ii" s2^"ii m7" s^"V7" s2^"iii m7" s^"V7 / ii" s2^"ii m7" s^"V7" } \header { title = "The Nearness of You" } \score { << \new ChordNames \accords \new Dynamics \romannumerals \new Staff \melodie >> \layout{} }