The very short and simple answer to this question - [Instrumentalize][1]

instrumentalize: Verb - (third-person singular simple present instrumentalizes, present participle instrumentalizing, simple past and past participle instrumentalized)

(music) To transcribe for instrumental execution a piece of music written for the human voice

For your Google Home issue, I suppose you can attempt to tell it to play whatever song "instrumentalized".... But, I'm guessing ymmv... [1]: https://www.yourdictionary.com/instrumentalize

The very short and simple answer to this question - Instrumentalize

instrumentalize: Verb - (third-person singular simple present instrumentalizes, present participle instrumentalizing, simple past and past participle instrumentalized)

(music) To transcribe for instrumental execution a piece of music written for the human voice

For your Google Home issue, I suppose you can attempt to tell it to play whatever song "instrumentalized".... But, I'm guessing ymmv...