All My Favorite Songs #39: A Shot In The Arm

Finally, with this highlight from Wilco's phenomenal 1999 Summerteeth LP just edging its way into the Top 40, we get the first song of my Top 1000 from the 1990s--and, indeed, the first from the past quarter century (and just barely at that).

Which raises one of those questions music nerds can debate late into the night--how old does a song need to be to qualify as an all-time favorite (or, more broadly, as a timeless classic)? Should there be some sort of waiting period, a chance to see if the s...