I've been analyzing some recordings of Jeseri in an attempt to formulate a list of Western-Insular areal features/processes. Few interesting things about this song:
https://voca.ro/4KyU986zVCP 

1) *v > b is present
2) Perso-Arabic vocabulary - e.g. /pareśān/
3) miśkāṯṯə 'mosque'

See this thread: https://twitter.com/adam_farris1/status/1242356817386078208?s=20