
The BBC Welsh-language station lost the right to play around 30,000 songs on New Year's Day and has been forced to cut its airtime by two hours a day.
It failed to reach an agreement over demands for increased royalty payments.
The BBC Trust, which is independent of the corporation's management, has urged a settlement, saying it was in nobody's interest for the dispute to continue.
Classical music and hymns have replaced rock and pop on BBC Radio Cymru for the past week.
Eos says it wants a "fair price for Welsh music".
The musicians broke away from the Performing Right Society (PRS) to join the new agency, claiming they were being short-changed for their work.
BBC Wales has said it hopes there will be a solution and an agreement soon.
Radio Cymru reaches about 142,000 listeners a week, or 6% of the adult population of Wales, according to the latest Rajar audience survey.
Talks are expected to resume in Bangor, Gwynedd.