According to the quote below that I got from Ambitious Outsiders, "We'll Let You Know" is Morrissey's favorite song he has ever recorded. So, why was it only played on 1 tour? (1995)
"Ah, Liz, you're next on Modern Rock Live. Thanks for calling, you're on with Morrissey.
Liz: Hi, Morrissey. Um, my question is, um, what's your favorite song you've ever recorded?
Moz: "Ever recorded... Um, it's a song called We'll Let You Know. Do you know it ?"
... Liz, do you know that one?
Liz: "Um, what CD is it in?"
Moz: It's on Your Arsenal.
Liz: Your Arsenal, ok...
Moz: "The one you didn't buy." [laughs]