That doesn't mean they were right to sue, or that they should have succeeded.
Nobody has a right not to have competition, and the Apple IIGS was not a device principally for creating music.
"Pad" and "Pod" are certainly generic.
https://blog.tracyjonglawfirm.com/has-ipad-become-a-generic-...
And you would lose that argument. 2/3 of those are not generic terms.
And other organisations as well:
https://www.macrumors.com/2019/03/05/apple-norway-progress-p...
https://www.macrumors.com/2019/05/01/apple-opposes-german-cy...
https://en.wikipedia.org/wiki/Apple_Inc._litigation#Trademar...
http://www.mtv.com/news/3020742/fake-nickelodeon-products-pe...
actually, trademark holders do have a right not to have competition that is branded with their same name, and consumers have a right when purchasing Apple records to be buying from the Beatles and not from a rip off artist.