From a Rock Hall news release:
Beginning January 1, the Rock and Roll Hall of Fame and Museum - an internationally known nonprofit organization dedicated to telling the story of rock's impact on our culture - will raise its admission prices for the first time since 2004, from $11 to $13 for youth (9-12), from $20 to $22 for adults (13- 64) and from $14 to $17 for seniors (65+).
Children ages 8 and under and Museum members are admitted free of charge. The pricing changes also include a price reduction for Northeast Ohio residents between the ages of 13 - 64. Effective January 1, 2008, the price for adults (13 - 64) living in ZIP Codes beginning with 440, 441, 442 and 443 will be reduced from the current rate of $20 to $18.