There are a few radio stations that broadcast part of the day in Changana and also they play a lot of local music. Check them out:
Good music, daily news broadcast in either Changana or Portuguese depending on the hour
Catholic radio station providing spiritual assistance with everyday issues, Information, Music, and Culture. Broadcast in Changana and Portuguese. Webradio available here
A local radio station aiming at empowering the community, especially mozambican women. Broadcast in Changana and Portuguese.
More information at https://www.facebook.com/pages/RADIO-MUTHIYANA/638163606208810 and http://www.wlsa.org.mz/93-5-fm-radio-muthiyana/