Prior to the National Anthem, Menzel, who stars in the new Broadway musical If/Then, will perform "Forever Young" by Grammy Award winner Bob Dylan.

The program celebrates "remarkable current and retired teachers who make an impact on the lives of their students and communities." Winners will be recognized on field by the 2014 MLB All-Star players and managers. Fans can read the stories for each of the 30 winners, one representing each MLB Club, by going to AllStarTeachers.com. All-Star Game coverage begins at 7:30 PM ET on FOX.

Also, as part of the All-Star Game, the Canadian Anthem will be performed by the Minnesota Orchestra Brass Quintet, and "God Bless America" will be sung by American country music artist Joe Nichols.

Also joining the roster of musical performances during MLB All-Star Week is Panic! At the Disco, who will perform on field prior to the Taco Bell All-Star Legends & Celebrity Softball Game at Target Field July 13; and the MLB All-Star musical performance will feature singer-songwriter Aloe Blacc on field prior to the Gillette Home Run Derby July 14 on ESPN.

For more information, visit MLB.com.