Extra: Found a youtube clip on what seems to be the top 10 selling anime songs. Seven of the songs are in the Hall of Fame, but surprisingly the #1 song isn't.
Here are my inductions into the Hall of Fame for Week 22:
"Allegro Cantabile" by SUEMITSU & THE SUEMITH
Nodame Cantabile (TV) Opening Theme [2007]
suggested by christinemarie
"ALONES" by Aqua Timez
Bleach (TV) Opening Theme #6 (episodes 121-143) [2007]
suggested by Sinfully Naomi
"What's Up People?!" by Maximum the Hormone
Death Note (TV) Opening Theme #2 (episodes 20-37) [2007]
suggested by Sleep
"Doubt & Trust" by access
D.Gray-man (TV) Opening Theme #3 (episodes 52-103) [2007]
suggested by Vital Regions
"Tabi no Tochū" by Natsumi Kiyoura
Spice and Wolf (TV) Opening Theme [2008]
suggested by Monitkowa
"Sanpo" by Azumi Inoue
Tonari no Totoro (movie) Opening Theme [1988]
"Hitori no Yoru" by Porno Graffiti
Great Teacher Onizuka (TV) Opening Theme #2 (episodes 17-43) [1999]
"Totsugeki Love Heart" by Fire Bomber
Macross 7 (TV) Insert Song (episode 4) [1994]
"Angelus" by Hitomi Shimatani
Inu Yasha (TV) Opening Theme #6 (episodes 154-167) [2004]
"This Love" by Angela Aki
Blood+ (TV) Ending Theme #3 (episodes 26-38) [2006]