Bāṣkali assembled the Vālakhilya-saṁhitā, a collection from all the branches of the Ṛg Veda. This collection was received by Vālāyani, Bhajya and Kāśāra.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
बाष्कलिः प्रतिशाखाभ्यो वालखिल्याख्यसंहिताम् । चक्रे वालायनिर्भज्यः कासारश्चैव तां दधुः
bāṣkaliḥ pratiśākhābhyo vālakhilyākhyasaṃhitām | cakre vālāyanirbhajyaḥ kāsāraścaiva tāṃ dadhuḥ
SB 12.6.59