Once again it seems the CMA Music Festival: Country’s Night To Rock (1.1/4) is… well, just not rockin’ for ABC. Despite the star power of the likes of Carrie Underwood, Chris Stapleton and Eric Church, last night’s 8-11 PM show dipped 8% among adults 18-49 from last year’s demo low.

Put together from the annual four-day fest held in Nashville in June, this year’s CMA Music Festival TV show could see adjustments later on; it did see a small rise of 6% in viewership over 2015 to 5.5 million.

It did help ABC tie NBC for the second spot overall last night in the key demo with a 1.1/4 rating. The Comcast-owned net was tops in total viewership with 6.36 million watching, but with a double dose of MasterChef (1.2/5), it was Fox that took demo gold Wednesday. The net itself was up 33% from last week when it was Day 3 of the DNC, and the Gordon Ramsay-led competition series was up 20% in 18-49s from July 27, when it ran for just an hour.

It was a biggish night for CBS’ Big Brother (1.8/7), with the CBS series not only the top-rated show of Wednesday but inching ahead of a rival America’s Got Talent (1.7/7) one-hour result’s episode for the first time. The CBS series was up a tenth from last week’s final numbers, while the NBC show was down a tenth from its July 27 broadcast.

Double-dosing was popular last night as The Night Shift (0.8/3) went for it too from 9-11 PM. Though, unlike MasterChef, the result was hampered by ratings gravity, with a 20% fall for the drama compared to last week’s one-hour effort. Back to the 10 PM slot now that the DNC is over, American Gothic (0.5/2) was even with last week’s 9 PM airing.

Penn & Teller: Fool Us (0.4/3) was up a tenth for the CW, but 9 PM’s Whose Line Is It Anyway? (0.4/1) was unchanged.