The term 'Modern Music Prize' is represented by the crossword solution 'AVA'. AVA stands for the Americana Music Association Honors & Awards, which is an annual event that celebrates the best in modern music. The awards are given to artists who have made significant contributions to the genre of Americana music, which is a blend of traditional folk, country, blues, and rock. The awards are presented in various categories, such as Album of the Year, Artist of the Year, and Song of the Year. The event also includes performances from some of the most popular Americana artists.