# OPUS isn't switching

This is an unresolved bug in the OPUS player. Nevertheless, you can cure it quickly.

Make sure that the MIDI channel is on 1:<br>

![image](https://eucattachment.freshdesk.com/inline/attachment?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6ODAwNzU5MzI2MDAsImRvbWFpbiI6ImJhYnlsb253YXZlcy5mcmVzaGRlc2suY29tIiwiYWNjb3VudF9pZCI6MjAwMjc3M30.F0qLfsxrdwyy3YLTwGf8uFi4kISduy11vFtxD_zklqk)

Drag the .oib file onto the OPUS player.

![image](https://eucattachment.freshdesk.com/inline/attachment?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6ODAwNzU5MjkwODYsImRvbWFpbiI6ImJhYnlsb253YXZlcy5mcmVzaGRlc2suY29tIiwiYWNjb3VudF9pZCI6MjAwMjc3M30.coD35IjWVifDIRObtHEYVW9PxPCDEseb3PRqBTUz7Nk)

Select Play > Articulations in the OPUS player

![image](https://eucattachment.freshdesk.com/inline/attachment?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6ODAwNzU5MzAzMTQsImRvbWFpbiI6ImJhYnlsb253YXZlcy5mcmVzaGRlc2suY29tIiwiYWNjb3VudF9pZCI6MjAwMjc3M30.HoqGFdAzLeYGji7-BDaivPRFICEUukVdy8ipwMPZQ-c)

Select an Articulation

![image](https://eucattachment.freshdesk.com/inline/attachment?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6ODAwNzU5MzExOTksImRvbWFpbiI6ImJhYnlsb253YXZlcy5mcmVzaGRlc2suY29tIiwiYWNjb3VudF9pZCI6MjAwMjc3M30.eN2ecTYwqMVRu34so7N_TegqC8DEqTd8_STeYWmGGfc)

Now you should be able to switch articulations just fine.