What is the opposite acapella?

There isn't one single word that's the *exact* opposite of "a cappella". However, depending on what you mean by "opposite", there are a few options:

If you're thinking about the *absence* of instruments:

* With instruments: This directly contrasts the lack of instruments in a cappella.

* Instrumental: This emphasizes the presence of instruments, as opposed to only voices.

If you're thinking about the *presence* of instruments:

* Unaccompanied: This highlights the absence of instruments, just like "a cappella".

* Vocal only: This clearly states that the music is solely made with voices.

If you're thinking about the *musical style*:

* Orchestral: This refers to a larger ensemble that includes instruments.

* Instrumental music: This refers to any music that doesn't use voices.

Ultimately, the best opposite for "a cappella" depends on the context and what you're trying to convey.