Translation guide
The complete collected works of an author, artist, or composer, typically published as a set.
Referring to the entire body of work by a single creator, published as a collection.
Standard term for 'complete works', used for literature, art, music, etc. Often follows the creator's name.
漱石全集を買いました。
I bought the complete works of Soseki.
この全集には未発表の作品も含まれている。
This complete works includes unpublished pieces as well.
Literally 'collection of works'. Can mean 'complete works' but is broader; may not imply completeness. Often used for art books or selected works.
この画家の作品集が出版された。
A collection of this painter's works has been published.
Means 'all works' or 'entire oeuvre'. Less common as a publication title; more abstract.
彼の全作品を読破するのは大変だ。
It's tough to read through his complete works.
Specifically for musical compositions, often in recorded form.
Same as above; used for music as well. E.g., 'Beethoven complete works'.
モーツァルト全集をCDで揃えた。
I collected the complete works of Mozart on CD.
Specifically 'complete songs/pieces collection'. Common for popular music or specific genres.
ビートルズの全曲集を聴いている。
I'm listening to the complete Beatles collection.
In Japanese, 全集 is almost always preceded by the creator's name (e.g., 夏目漱石全集). It is not used alone as 'the complete works' without context. If the creator is clear from context, you can say この全集 (this complete works).
全集 implies completeness and is typically a multi-volume set. 作品集 can be a single volume of selected works and does not necessarily include everything. Use 全集 when you mean the entire oeuvre.