(1) Adding Artist, Mood, BPM Metadata & (2) Metadata Search

We played a garden party last night and the crowd really vibed to a Hall & Oates song, and I knew there was more AOR in the my saved songs sheets. But while under pressure I couldn’t remember the other track names which meant I had to scroll through 300 songs and the dance floor moment was lost what do people think of adding (1) Adding Artist, Mood, BPM Metadata & (2) Metadata Search??