 was surprised by the new musical direction of Beyoncé but concluded that "... you better believe it ... it kinda works".Daniel Brockman of "The Phoenix" described "Radio" as the most believable song on the album, and complimented its "amid bland testaments to love's timeless endurance and the smut and thuggin[g] of the 'Sasha Fierce' persona, [which] is one with sensual overtones sung to an electronic device that, unlike men, 'never lets me down'".Echoing Brockman's sentiments, Amy Linden of "Vibe" magazine, who wrote that 1980's electropop and the sleek Valentine music of "Radio" tells the story of Beyoncé's alter ego.