Soviet Song (11-4) inflicted the first career defeat on Attraction (4-5 favourite) to win the UAE Equestrian And Racing Federation Falmouth Stakes at Newmarket today.
Kevin Darley set out to make all on Mark Johnston's dual 1000 Guineas winner and he still held sway approaching the final furlong.
However, Soviet Song was making stealthy progress going well down the outside and she pounced under Johnny Murtagh at the distance.
Attraction had no answer as Soviet Song quickened clear up the hill to score convincingly by two and a half lengths.
Richard Hannon's Jewel In The Sand (2/1 favourite) maintained her unbeaten record by winning the Chippenham Lodge Stud Cherry Hinton Stakes.
The Bluebird filly was a winner at Royal Ascot recently and showed she has progressed again with a sparkling turn of foot inside the final quarter which seemed to put a seal on the race in style.
But Salsa Brava (11/2), who had finished third to the winner at Ascot, emerged from the pack to throw down a very strong challenge and found the line coming just too soon.
A neck separated them at the line and they were well clear of third-placed Extreme Beauty (25/1).
Morning gamble Everest (6/1) swept through from last to first to win the opening H & K Commisions Handicap at Newmarket under Dane O'Neill.
Brian Ellison's charge was detached from the group on the far side of the track but delivered a powerful run inside the final furlong to get his head in front right on the line to score by the minimum distance.
Audience, who raced down the stands' side, took second at 16/1 with True Night (16/1) and Blue Trojan (33/1) filling the minor places.
The totesport Rated Stakes was another hugely competitive affair and it was Alderney Race (13/2) who came out on top down the stands' rail.
His nearest rival was Two Step Kid (13/2) on the far side of the track, who had beaten him in their previous meeting at York last month.
But it was Steven Drowne's mount who gained revenge to give himself and trainer Roger Charlton successive wins in the event after Move It's triumph 12 months ago.
Mahmoom (14/1) came with strong late run to split Alderney Race and Two Step Kid and claim second with 40/1 chance Valjarv not far away in fourth.