We have visited previously and had a memorable time listening to the organist . Is this a regular feature ?

Yes. Certain times. Check their website or ask for specific times when entering.

Yes, the bells are played every 30 minutes for a shorttime. There was also an afternoon concert of about 30 minutes.

Last time I went no music due to covid regulations. But still a great place for a walk

On weekends they have a live artist playing, at least before Covid. During the week they play recorded selections each hour.