The Terps clinched their third consecutive Big Ten series victory with the win.
Students decorated T-shirts with different messages surrounding rape culture and hung them on a clothesline as part of Sexual Assault Awareness Month.
Ibarra previously worked as a scientist at a biotechnology firm before pursuing her music career full-time.
The Terps have lost four of their last five games.
Trinity Schlotterbeck and Keira Bucher combined to allow just three hits as the Terps evened up the weekend series.
Braden Erksa's first goal of the game helped the Terps avoid a second straight Big Ten loss.
The Terps left multiple runners in scoring position in the loss.
The Terps held a 3-0 lead heading into the seventh inning but ceded four runs to lose the first of their two games Wednesday.
Pratt, who is 57, has been playing the piano for 51 years.
The event included singing, spoken poetry, stand up comedy and more.