The "01" in the keyword is not arbitrary. In digital music libraries (iTunes, Apple Music, Spotify local files, or car USB players), the two-digit track number dictates the order of playback.
If you buy the song directly from the iTunes Store, it arrives as a (provided you purchased it, not streaming it via Apple Music subscription). This is the gold standard. You own the file, and it has the proper "01" metadata. 01 Harleys In Hawaii m4a
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