Syndrome list

Holy Wars syndrome: boring riff repeating for the first minute+
Example: "Gridlock" by Anthrax

Soundgarden syndrome: so much filler, but amazing singles
Example: Red Hot Chili Peppers

Don't Fear the Reaper syndrome: amazing song ruined by terrible guitar solo or other out-of-place section
Examples: "Roundabout" by Yes, "Next Year" by Foo Fighters

Beverly Hills syndrome: sub-par song saved by orgasmic section
Examples: "Stairway to Heaven" by Led Zeppelin

Paul McCartney syndrome: original band member dies and is replaced by a lookalike
Examples: Mark Boals, Jon Bon Jovi, Rivers Cuomo, Marty Friedman, Paul Gilbert

Blaze Bailey syndrome: vocalist replaced by someone who sucks
Example: Not-Delp from Walk On, Not-Lou

Come Together syndrome: original song is lame, but a cover version (or several) is (are) orgasmic
Examples: "Hurt" by Nine Inch Nails, "White Lace and Strange" by Thunder and Roses

Children of the Night syndrome: cool song ruined by "HEY GUYS BE YOURSELF YOU CAN DO IT"
Examples: "Play it Loud" by MXPX, "Innuendo" by Queen