Human: How did Dick Clark's New Year's Rockin' Eve change from year to year? Assistant: 
Dick Clark's New Year's Rockin' Eve changed from year to year. In the early years, the show was hosted by Dick Clark and featured live performances by various artists. In the late 1990s, the show was hosted by Ryan Seacrest and featured pre-recorded performances by various artists. In the 2000s, the show was hosted by Ryan Seacrest and featured pre-recorded performances by various artists.