Accompagnandosi
Accompagnandosi is the gerund of the reflexive Italian verb accompagnarsi, meaning to accompany oneself or to keep company. In Italian, accompagnare means to accompany an action or person by providing accompaniment or to go along with someone; accompagnarsi emphasizes the act of accompanying oneself or joining with another in a mutual activity. The form is typically used in narrative and descriptive writing to indicate an ongoing action performed by the subject to provide self-accompaniment or to keep company with others.
In musical contexts, accompagnandosi denotes a performer who accompanies themselves, for example a singer or instrumentalist