Preparing SSL certificates for development:

...

Step 3 : To run cqlsh with SSL encryption:

create a .cassandra/cqlshrc file and update as below

[connection]
factory = cqlshlib.ssl.ssl_transport_factory
[ssl]
validate = false

The default usage of MUSIC does not involve SSL. So Simply undo the configurations to the cassandra.yaml suggested above to revert to non-SSL usage.