Mixcloud repost is one of most popular feature of mixcloud. Mainly, repsots is the process to post posts your favorite track on your profile too. This is also known as reblog . Reposts also have viral marketing benefit for musician.
Mixcloud count repost also to rank any mix on their platform. Reposts may help get more exposure on any music. When you reposts to any track , your follower also enjoy that from your profile .So, that track will get more audience and exposure.