Guess The Genre #1398 (Gathered by Ken Anderson)

Argus Pegasus One and Only Trojan Horse Drive In
Magic Horse Henry The Horse Gee Bros 1968
Swingin Ol Corral Dave Pell Camptown Races
Rocking Horse Cowboy Russ Conway Tony The Pony
Buffalo Bill Pony Express Nestor Pistor Winestoned Cowboy

Answer: Horses - Next is Guess the Genre #1399

Or, I don't want to guess - Show Me A List