Is there a real need to have a backup iTunes?

In the past, I always saved my iTunes library, in which case my computer crashed, I loose all the music I've bought over the years. But now, since you can download all previously purchased song, album, film, etc., is there a real need to have everything backed up? I like six external hard drives connected to my computer and trying to reduce this number to improve the performance of my mac. Thanks in advance!

Yes. Content can be removed from the iTunes Store at any time, and some types are not free to download again.

(141588)

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