I worked for small(ish) music supplier of Spotify, not a major label like Universal etc. at all - they were receiving a daily 3-4 Gb JSON file (uncompressed) of

I worked for small(ish) music supplier of Spotify, not a major label like Universal etc. at all - they were receiving a daily 3-4 Gb JSON file (uncompressed) of yesterday's activity. Things get big, fast, nowadays.