What is the fine-grained topic of the following text: That being said, Schulz is more than likely to build on his peerless, record-breaking achievements of the past 18 months: Last year’s mega hit “Prayer in C” landed Robin Schulz the #1 spot on iTunes in 40 countries and topped the national singles charts in 17 countries, but that was just the beginning. Only return the topic.
Robin Schulz's musical achievements