By The Way: Drake Sues Kdot, Kevin Parker's New Instrument, The Beatles' Grammy Noms, Gaga and Mars Hit 1bil Streams

By The Way is a monthly rapid-fire segment that gives you a snapshot of developing stories in the music world. This week, Drake files legal action against Kendrick Lamar's "Not Like Us", Tame Impala's Kevin Parker invents a new instrument called The Orchid, The Beatles earns their first Grammy nominations since 1997, and Lady Gaga and Bruno Mars' "Die With A Smile" is the fastest song to hit 1 billion streams.