music = { c' f' c'' c' }

\markup { "“floating notes” set as is: c' f' c'' c'" }

{
  \music
}

\markup { "“floating notes” interpreted as \\relative to first note" }

\relative {
  \music
}

\markup { "“floating notes” re-octavated by \\relative c," }

\relative c, {
  \music
}

\markup { "“floating notes” interpreted as \\absolute by \\transpose c c" }

\transpose c c \music

\markup { "“floating notes” interpreted as \\absolute by \\transpose c f" }

\transpose c f \music

\markup { "“floating notes” interpreted twice by one \\relative, which is blind to the transposed section in the middle" }

\relative {
  \music
  \transpose c c \music
  \music
}