A quartet of winners by resident sires in Sydney and Melbourne made for a great 24 hours for Emirates Park Stud on Saturday.

Consistent mare Mid Summer Music has been the best supported runner with TAB Sportsbet across today's metropolitan meetings as she looks to claim her first black type in the Group 3 Bletchingly Stakes at Caulfield.

The offspring of Al Maher starred at Caulfield last Saturday when posting a double at the metropolitan meeting just days after he had sired his 60th winner of the season.

Best tried horses in early betting on today's meetings.

Master Of Design has been well supported with TAB Sportsbet Fixed Odds to win his first start since under the care of trainer David Payne when the five-year-old lines up in the final race at Rosehill today.