CMT.com: 2004 ACM Awards

Awards are presented based on success and recognition for the previous calendar year. Thus, an award given in 2003 would be referred to as a '2002 award.'
Entertainer of the Year	Top New Vocal Duo or Group
Top Male Vocalist	Album of the Year
Top Female Vocalist	Video of the Year
Top Vocal Duo	Song of the Year
Top Vocal Group	Single of the Year
Top New Female Vocalist	Vocal Event of the Year
Top New Male Vocalist