Braymer High School’s Valerie Demsko, right, and Wren Coats pace each other during the latter stages of the grueling 3,200-meters run in the midday heat during last Saturday’s Class 1 District 4 track-and-field meet at Glasgow. Senior Demsko finished first in 14:44.77 and Coats third in 16.41.83 to advance each to this Saturday’s state-qualifying sectional meet at South Shelby High School near Shelbina. (PAUL STURM/C-T PHOTO)
GLASGOW — They aren’t the harmonizing Brothers Four of 1950s and early ’60s pop music fame, but Tina-Avalon High School’s three Singer brothers can still…