% No version because across different versions

\score {
    <<
        \new Staff {
            \relative c'' {
                c1 | \grace b8 c1 |
                c1 | c1 |
            }
        }
        \new Staff {
            \relative c'' {
                c1\< | c1\! |
                c1\< | c1\! |
            }
        }
    >>
}

\score {
    \new Staff <<
        \relative c'' {
            c1 | \grace b8 c1 |
            c1 | c1 |
        }
        \new Voice \relative c' {
            c1\< | c1\! |
            c1\< | c1\! |
        }
    >>
}