Ask HN: Best ideas for a customer discovery process?

Hi all, I am kicking off a new customer discovery program with a set of our clients (in the B2B space) and was hoping to lean on the experience of any Dev, design or product people. The plan at the moment is to conduct; 1:1 Interviews, Observations of current processes (via screen share), Concierge Testing and Story Mapping sessions. Would love to get your thoughts on any techniques/types of sessions that have worked really well for you lately, particularly now being remote? Any insights or info would be hugely helpful. Hope everyone is keeping safe and well.