At or in one go and In unison

In unison and at or in one go are semantically related. In some cases you can replace phrase "In unison" with "At or in one go", this phrases are similar.

In unison adverb - Speaking or singing at the same time; simultaneously.

At or in one go and in unison are semantically related. Sometimes you can replace phrase "At or in one go" with "In unison", this phrases are similar.