In today's Sound Perimeter, University of Arkansas music professor Lia Uribe celebrates the voices of African American composers that have documented the history of the USA in and with their music. We hear music today by Florence Price, Geroge Walker and Nkeiru Okoye.

University of Arkansas music professor Lia Uribe this week continues to celebrate Hispanic Heritage Month with selections from Cuban and Mexican composers. We hear selections from Silvana Estrada, Gabriela Ortiz and Tania Léon, with performances by Kronos Quartet, and Nancy Belmont and Mika Sasaki.

This week, University of Arkansas music professor Lia Uribe celebrates the 50th edition of Sound Perimeter with a special rendition of Happy Birthday, and she contiues to celebrate Hispanic Heritage Month with a Cuban bolero from 1955. We hear works by Werner Elmker and Frank Dominguez, featuring Natalia Lafourcade with Omara Portuondo.

This week, University of Arkansas music professor Lia Uribe explores music by Khemia Ensemble, Tin Hat, and TransAtlantic Ensemble with featured compositions by Phillip Sink, Mark Orton and Miguel del Aguilla.

Lia Uribe, associate professor in the University of Arkansas Music Department, explores the saxophone this week with music by Shelley Washington, Libby Larsen and Petronio Alvarex, and featuring saxophonists Eric Troiano and Antonio Arnedo.

In this week's Sound Perimeter, University of Arkansas music professor Lia Uribe explores music featuring the fanciful sounds of piccolo and flute. We hear selections from composers Adina Izarra, Valerie Coleman and Claude Bolling.

Johann Sebastian Bach wrote timeless pieces of music, as evidenced by many different interpretations of his works created throughout the years. In this week's Sound Perimeter, University of Arkansas music professor Lia Uribe explores Bach through interpretations by Yo-Yo Ma, Béla Fleck, and The Toys.

This week, University of Arkansas music professor Lia Uribe takes us on a tour of Spain, Cuba and Buenos Aires with compositions for guitar by Joaquin Rodrigo, Claudia Montero and Leo Brower.

This week, University of Arkansas music professor Lia Uribe explores the work of English composer, lute player, and singer John Dowland. We hear some of Dowland's compositions, and a Dowland-inspired piece composed by Benjamin Britten.

This week, University of Arkansas music professor Lia Uribe explores contrasts, with selections by Russian composer Sofia Gubaidulina and by Cuban composer Miguel Matamoros.