With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Composers
such
as
Edgard
Varèse
,
Olivier
Messiaen
,
Ernst
Krenek
and
John
Cage
visited
,
presenting
their
work
and
aesthetic
in
composition
classes
,
and
contributing
to
worldwide
recognition
of
the
institution
.
Composers:O
such:O
as:O
Edgard:person-artist/author
Varèse:person-artist/author
,:O
Olivier:person-artist/author
Messiaen:person-artist/author
,:O
Ernst:person-artist/author
Krenek:person-artist/author
and:O
John:person-artist/author
Cage:person-artist/author
visited:O
,:O
presenting:O
their:O
work:O
and:O
aesthetic:O
in:O
composition:O
classes:O
,:O
and:O
contributing:O
to:O
worldwide:O
recognition:O
of:O
the:O
institution:O
.:O