The depth of talent in Anthony Cummings' stable will be on show this weekend when he starts runners in all four Group One races.At Rosehill, Road To Rock will fly the flag in the Ranvet Stakes (2000m) while mares Prima Nova and Messenger tackle the Coolmore Classic (1500m).Sister Madly will headline Cumming's Adelaide team in the Sportingbet Stakes (1200m) while stablemate My Mojo's Back contests the Australasian Oaks (2006m).Road To Rock is the proven big-race performer of the quartet having sc

The depth of talent in Anthony Cummings' stable will be on show this weekend when he starts runners in all four Group One races.

At Rosehill, Road To Rock will fly the flag in the Ranvet Stakes (2000m) while mares Prima Nova and Messenger tackle the Coolmore Classic (1500m).

Sister Madly will headline Cumming's Adelaide team in the Sportingbet Stakes (1200m) while stablemate My Mojo's Back contests the Australasian Oaks (2006m).

Road To Rock is the proven big-race performer of the quartet having scored an upset win in the George Main Stakes last spring.

He is again at double figure odds ($13) in early TAB Sportsbet markets which are headed by Theseo at $2.90 and Cummings sees no reason why he can't upstage his more fancied rivals again.

"It wouldn't surprise," Cummings said.

"He's done it before, he can do it again."

Road To Rock will tackle the Ranvet third-up after resuming with an encouraging second to Rightfully Yours at Caulfield before finishing seventh to Theseo in the Chipping Norton Stakes earlier this month.

Cummings was satisfied with that effort and said Road To Rock didn't have the best of luck in the run.

"He got into a traffic jam and had a bumping duel with Danleigh and then he was back on the inside which probably wasn't the best place to be," he said.

"I thought his run was better than it looked on paper and I'm happy with the way he's come out of it."

The five-year-old was fifth to Theseo in last year's Ranvet, beaten less than two lengths, and Cummings has no doubt he is a more rounded racehorse now.

However, while Road To Rock pressed on to the 2400 metres of The BMW last autumn, this time the Doncaster Mile (1600m) is his target.

"He's going better now, each prep he gets a little bit better," Cummings said.

"He'll go to the Doncaster. I think the way he's going, the 2000 metres of the Ranvet is what he needs to be right for the mile at the end of the carnival."

Road To Rock has drawn barrier 11 but both Messenger and Prima Nova fared better in the Coolmore with gates six and two respectively.

Both come into the race in good from with Messenger a last-start third to Dane Julia in the Wiggle Quality and Prima Nova fourth in the Chipping Norton.

"Prima Nova's form at weight-for-age last start was excellent and we think pretty well of her prospects in the race. I really don't think there's much between the two of mine," Cummings said.

Cummings reported both Sister Madly and My Mojo's Back worked well at Moonee Valley earlier this week and were on target to acquit themselves well at Morphettville.