Manju Dasi Baul, was Babukishan's mother and the very first Baul women to travel outside of India, she traveled outside and inside of India for over 50 years starting in the 1960's.
She was a top rated vocalist and musician she taught Baul music to the top. She performed in front of millions of people in India and outside of India.
In today's world you must know your worth. Manju and Purna Das Baul were # One, India Vocalists the first to travel oversea's and yes they were Lineage Baul. They knew how to sing Baul songs, they knew who wrote the poetry and they knew that Baul originates in Sanatan Dharma not in Buddhism or Islam.
There are other Lineages for other groups but not for Baul. The only Lineage of Baul comes from Ekkachakra Birbhum Bengal. They are descendant of Sri Nityananda who was a Avadhuta Baul.
Not all Bauls in this lineage are Avadhuta's however, Nabani Das Khyapa Baul was, he followed the path of Baul Tantric Avadhuta. This is well known and well recorded. Remember this lineage of Baul and their songs have all been recorded and preserved decades ago.
Remember what the new Baul singers are singing are songs from this lineage, such as Hridmajahare Rakhbo poetry of
Manji Dasi was a Classically trained Indian singer. If not for her no one would know what Baul is in this world. She started traveling back in the 1960's.