Complex sentence: This motivated Polygram (who now owned the Verve/MGM label archives) to re-release the song to Top 40 radio where it became a major hit for a second time, and reached No.13 on the Hot 100 in 1990.
Split into simpler sentences: This motivated Polygram (which now owned the Verve/MGM label archives) to re-release the song to Top 40 radio. It became a major hit for a second time, reaching No.13 on the Hot 100 in 1990.