Conversation so far:
what was Rostam Batmanglij departure from the band Vampire weekend?
on January 26, 2016 that Rostam Batmanglij had departed the band
Why did Rostam Batmanglij leave the band Vampire Weekend?
Rostam Batmanglij left to pursue solo projects
When did the band Vampire Weekend sign with columbia records?
Ezra Koenig reportedly hit it off with executive Rob Stringer
How did Ezra Koenig reportedly hit it off with executive Rob Stringer happen?
Initially, this news was regarded a rumor, until the band's website revamp in 2018, in which a Sony Music copyright appeared on the site
What was the band Vampire weekend LP4?
Ezra Koenig revealed that LP4 would be partially inspired by the songwriting of country singer

Question: Of what contry singer?
Self-contained rewrite: Of what contry singer was the LP4 by the band vampire weekend was going to be inspired on?