正解是单词Featuring的缩写。在音乐中是合唱或合作的意思，即两人共同完成一首歌曲。通常在 Ft 后面的是配唱或配乐编曲的，有别于& 。Featuring的缩写也可写作“Feat”。
例如，Pussycat Dolls Ft Busta Rhymes -- Don't Cha
Santana feat Michelle Branch - Game of Love
是Featuring的缩写，一般翻译成“跨刀”，用法是后面加伴唱歌手名字。
英文解释：Featuring,
often
abbreviated
to
ft,
feat,
ft.
or
f/,
is
a
term
used
in
the
music
industry
to
credit
a
musician
who
is
not
the
main
artist
for
their
performance
on
a
song
or,
on
occasion,
an
album.
非主唱的那个歌手为the
featured
artist。
