In 1999 , he conducted the World 's Longest Choral Concert as declared by Guinness World Records .
Seelig joined the Turtle Creek Chorale in 1987 and served as its conductor for two decades during which he co-founded The Women 's Chorus of Dallas .
In 1999 , Seelig conducted the World 's Longest Choral Concert as declared by Guinness World Records .
Seelig joined the Turtle Creek Chorale in 1987 and served as its conductor for two decades during which he co-founded The Women 's Chorus of Dallas .