"Rain" could be referring to:
* A TV show: There are many TV shows with "Rain" in the title, such as "Rain Dogs," "Rain," "Rain or Shine," etc. Some of these may have more than 30 episodes, while others may have fewer.
* A specific artist or musician: "Rain" could refer to a specific artist or musician whose discography includes more than 30 songs.
* A weather phenomenon: If you're referring to the weather phenomenon of rain, there are obviously more than 30 days of rain in a year, but that isn't a TV show or a song.
Please provide more context so I can help you find the answer you're looking for.