If possible, automatically avoid adding dead artists to the playlist

[Utagai]

Slightly morbid perhaps, but dead artists do not produce new music. If they ever appear in my playlist, it's because someone was playing music they composed. Mostly, this is for classical artists like, e.g., Bach, but it also applies to some other artists. For example, it's decently prevalent in some of my jazz music, where some of the artists are dead, e.g., John Coltrane.

Perhaps we can take the artist name and look them up on Wikipedia. If they have a death date, then we can ignore them...