My main playlist is my like songs as it's a simple button, rather than having to go through a process and find the playlist that you want to add. As I like to download my songs having a large playlist isn't the best as it takes up so much space on my phone. My thought is to specify how many songs you would like to download on a playlist. For example, say you have a playlist that has 3000 songs on it, but you only listen to the top 100 songs. So you can only download the most recently added 100 songs. I would also like to be able to choose the amount, like 50 songs, 100, 250 or 500 songs.