RTL hits 2015 presented again at the beginning of the new year 4 no. 1 hits from Calvin Harris feat. Ellie Goulding, kwabs, David Guetta feat. Sam Martin and omi ... to the chart-breaker of Bakermat, Robin Schulz feat. Jasmine Thompson, kygo feat. Conrad, Hozier, Mark Ronson feat. Bruno Mars and many more ... just a sampler of superlatives!