結合戲劇與音樂的表演藝術，會由部分或所有的角色以歌唱方式演出。

歌劇(學科)　(P,,U,繁體中文-偏好,D,U,U)
ko chü (P,,U,韋氏拼音-偏好,UF,U,U)
gē jù (P,,U,漢語拼音-偏好,UF,U,U)
ge ju (P,,U,漢語拼音(無聲調)-偏好,UF,U,U)
opera(discipline)　(P,,U,英文-偏好,D,U,U)
opera(vakgebied)　(P,,U,荷蘭語-偏好,D,U,U)
drama, lyric(,U,英文-非偏好,UF,U,U)
lyric drama(,U,英文-非偏好,UF,U,U)
ópera(disciplina)　(P,,U,西班牙語-偏好,D,U,U)

藝術與建築詞典根目錄
....活動層面
........學科 (層級名)
............學科 (專業領域分科)
................人文學科
....................<藝術及相關學科>
........................藝術 (藝術及相關學科)
............................表演藝術 (藝術形式)
................................歌劇 (學科)

activity/event involved is....

歌劇(演出)

英文....	Performing art combining theater and music, in which some or all of the roles are sung.
荷蘭語....	Uitvoerende kunst die theater en muziek combineert en waarin sommige of alle rollen worden gezongen.
西班牙語....	Arte interpretativa que combina el teatro y la música, en que algunos o todos los roles son cantados.

歌劇(學科)............	[AS-Academia Sinica]
.................	國家教育研究院－雙語詞彙、學術名詞暨辭書資訊網 February 1, 2012
.................	智慧藏百科全書網 February 1, 2012
.................	大英百科全書線上繁體中文版 February 1, 2012
opera(discipline)............	[VP]
.................	Sadie, New Grove Dictionary of Music and Musicians (1980) Vol. 1, 544, 2. a branch of dramatic art; opera
.................	CDMARC Subjects: LCSH (1988-) opera
.................	New Grove Dictionary of Opera (1992) Vol. 3, 671; opera
.................	Randel, New Harvard Dictionary of Music (1986) opera
.................	Arnold, New Oxford Companion to Music (1983) Vol. 2, 1290; opera
.................	Oxford English Dictionary (1989) opera
.................	Webster's Third New International Dictionary (1961) opera
.................	Random House Unabridged Dictionary (1993) Frm or branch of musical and dramatic art; opera
.................	Getty Vocabulary Program rules
.................	BHA Subject Headings (1985-) B performing arts; opera
.................	AAT-Ned (1994-)
drama, lyric............	[VP]
.................	Getty Vocabulary Program rules
lyric drama............	[VP]
.................	CDMARC Subjects: LCSH (1988-)
.................	Webster's Third New International Dictionary (1961) : opera
ópera(disciplina)............	[CDBP-DIBAM]
.................	Randel, Diccionario Harvard de Música (1997) 351
Subject:............	[Bureau AAT]
.................	Van Dale groot woordenboek (1994)

Getty AAT: 300054147 Getty AAT: http://www.getty.edu/vow/AATFullDisplay?find=costume&logic=AND¬e=&subjectid=300054147
聯合目錄： 歌劇 、ko chü 、gē jù 、ge ju 、opera 、drama, lyric 、lyric drama 、opera 、ópera