The battle between Pandora and SoundExchange over streaming royalty rates in the US is heading to court next week.

The Copyright Royalty Board, which controls what record labels can charge for streaming songs, will decide royalty fees starting from 2016-2022, as well as ruling on which services are interactive and non-interactive.

Pandora is arguing that it should reduce the fees it pays to labels. The internet radio service currently pays BMI 1.75% of its revenue, but wants to reduce that ...