Design
Music Streaming (Spotify)
Design a music streaming service like Spotify — song catalog, playlists, playback queues, recommendations, and offline mode.
This is a Low-Level Design (LLD) problem. New to LLD vs HLD? Start here.
01 - Why interviewers ask this
Playlists, queues, and recommendations give you three different data-structure decisions in one problem — interviewers watch which structures you pick and why.
02 - Where this system exists in the real world
You interact with this design every day.
Spotify / Apple Music streaming platforms
Playlist and queue management in media apps
Music recommendation engines (simplified)
03 - What you'll master
Solve this once. Know it forever.
Model playlists, queues, and playback state
Design a basic recommendation approach
Handle offline/cached playback scenarios
04 - What you'll design
8 functional · 4 non-functional requirements.
Browse and search songs, albums, artists, and podcasts
7 more requirements inside
Sign in to unlock the full brief and start designing
05 - Companies that ask this
You may face this exact question in your next interview.
Ready?
Open the canvas.
Design it yourself.
See all requirements, use staged hints, run your code, and compare with community discussions - all on the same canvas.