Say where you are and where you want to go
Instead of trying to sound more experienced, describe what you practise and what you would like to develop. “I can play a few complete songs and want to learn to accompany others” gives more context than simply “I’m a beginner”.
On your PinMusic profile, you can indicate your experience, styles and availability. Use your introduction to say whether you are looking for a first band, a relaxed jam or company as you return to rehearsals.
Choose something that fits where the group is now
Start with one or two songs whose structure everyone understands. Agree on a version and adapt parts if needed. Playing something simple together can be more useful than choosing a difficult song nobody can follow to the end.
Practise listening, starting and stopping together
Alongside your own part, listen to the pulse, entrances and space left by other instruments. If you lose your place, ask where to pick up again. You do not need to hide a question: clarifying the structure helps the whole group.
Agree on simple signals to start, repeat a section and finish. Afterwards, identify one thing that went well and one to practise. A concrete next step helps you notice progress without comparing the group to a professional recording.
Prepare a realistic first step
Choose a person or project that seems compatible and make a small proposal. A meeting to try two songs lets you get to know the group before making a larger commitment.