Based on the provided information, we can analyse the Tattersalls Musidora Stakes (Fillies Group 3) horse race and rank the horses in the order of their total ratings. The race is a 1m2½f (2256 yards +32 yards rails adjustment) Group 3 event for 3-year-old fillies, run on good ground at York.

Rankings based on Total Ratings:

1. Midnight Mile (IRE) – 505.2
2. Novakai – 471.2
3. Infinite Cosmos (IRE) – 432.1
4. Lambada (IRE) – 369.0
5. Empress Wu – 355.6
6. Gather Ye Rosebuds – 348.3
7. Soul Sister (IRE) – 327.9
8. Sea Of Roses – 295.9

Analysis and Assessment:

1. Midnight Mile (IRE) – This filly has strong credentials, having won a 7f Group 3 race at Newmarket before coming from last to finish 4th at the Breeders’ Cup (1m). With the highest total rating of 505.2, she appears to be the top contender in the race.
2. Novakai – With a total rating of 471.2, Novakai has shown impressive form as a 2-year-old, finishing 2nd in a Group 2 at Doncaster and a Group 1 at Newmarket. Her past performances indicate that she is a strong contender for this race.
3. Infinite Cosmos (IRE) – Ranking third with a total rating of 432.1, Infinite Cosmos has shown promise early in her career. She was narrowly beaten by Sea Of Roses on debut and won her next race 12 days later without much fuss. She is expected to be competitive in this event.

Considering additional positive comments for horses not within the top-rated contenders:

Gather Ye Rosebuds – Despite not being among the top three in total ratings, Gather Ye Rosebuds boasts an impressive recent win in a 16-runner maiden at Newbury (1m2f, soft) last month, winning by nearly 10 lengths. This performance should not be overlooked and could make her a potential contender in this race.

In summary, Midnight Mile (IRE), Novakai, and Infinite Cosmos (IRE) are the top-rated contenders based on their total ratings, with Gather Ye Rosebuds also deserving attention due to her impressive recent win. While the odds are not factored into this analysis, it is important to keep an eye on the horses’ form, the race conditions, and any other factors that could influence the outcome on race day.