The Valentine Theatre will hold open auditions for Once Upon a Mattress at 410 Adams St., tomorrow from 6 to 8 p.m., Saturday from 10 a.m. to noon, and Sunday from 2 to 4 p.m. Those auditioning are asked to present a 1- to 2-minute song with their own accompaniment, and a 1- to 2-minute prepared monologue. Show dates are June 16-20. Parts being cast are: Winnifred, early 20s, comic actress with mezzo soprano voice; Prince, early 20s with good tenor or high baritone voice; Queen, older comedic character with mezzo range from B flat below middle C to high F; King, older character role for actor proficient in physical comedy; minstrel, 20-30s with good tenor voice; Wizard, tenor or high baritone; Lady Larkin, soprano; Sir Henry, tenor or high baritone; chorus, four men and four women. Information: 419-242-3490.
The Teutonia Maennerchor and Teutonia Damenchor German American Choruses will present their annual spring dinner, concert, and dance, "Springtime," Saturday at Oak Shade Grove Hall, 3624 Seaman Rd., Oregon. The event begins at 7:30 p.m. Very limited seating is available for $20. Information: 419-474-6052.
The Toledo Choral Society under director Samuel Szor will present its 86th annual spring concert, Mozart's Requiem, at Epworth United Methodist Church, 3077 Valleyview Dr., Sunday at 3 p.m. The concert will feature all of the choral pieces in Mozart's work, four soloists, accompanist Margaret Weber, and members of the Toledo Symphony Orchestra. Tickets are $10 and are available at the door. Information: 419-531-4236.
The Toledo Symphony will present the final concert in its 2004-05 Chamber Series at the Toledo Club, 235 14th St., at 7 p.m. Sunday. The concert will feature works of Castello, Bartok, Sheng, and Brahms. Tickets are $27 and $38. Information: 419-246-8000 or 800-348-1253.
The University of Toledo Community Chorus, under director Stephen Hodge, will present a Spring Oratorio Concert Sunday at 3 p.m. in Doermann Theater of University Hall, 2801 Bancroft St. The choir along with the Chamber Orchestra will perform works of Handel, Mozart, and Pinkham. Tickets are $5 and $3 for seniors and students. Information: 419-530-2448.
The North Coast Concert Band and North Coast Big Band will present a free Spring Concert in Norwalk High School, 360 Shady Lane, Norwalk, at 3 p.m. Sunday.
Monday Musicale presents a luncheon and concert by pianists Nicholas Biniker and Claire Otis, harpist Joshua Ward and vocalist Shawn Mlynek, at noon Tuesday at Brandywine Country Club, 6904 Salisbury Rd. Admission is $16. Information: 419-865-2393.
The Vox Early Music Ensemble will join with the nationally acclaimed Rose Ensemble for a program titled "Lux Aeterna: Franco-Flemish Music of Remembrance," at 4 p.m. Sunday in St. Thomas the Apostle Catholic Church, 517 Elizabeth St., Ann Arbor. Tickets, available at the door, are $18, $12 for seniors, and $5 for students. Information: 734-786-1576.
The Jerusalem Quartet kicks off an eight-city tour with a concert of works by Beethoven, Shostakovich, and Dvorak in Rackham Auditorium, 915 West Washington St., Ann Arbor, at 8 tonight. Tickets range from $18 to $36. Information: 800-221-1229.
The Detroit Symphony Orchestra under the direction of Thomas Wilkens presents a concert of works by Mozart and Korngold in Orchestra Hall of the Max M. Fisher Music Center, 3711 Woodward Ave., Detroit, at 8 tonight and tomorrow night and 8:30 p.m. Saturday. Tickets range from $30 to $65. Information: 313-576-5111.