What Adam Granduchel fronted indie rock band has Nicolas Vernhes produced records for?
Nicolas Vernhes:  He is best known for his work with the American indie rock acts Animal Collective, Deerhunter, The Fiery Furnaces, Dirty Projectors, Wild Nothing and The War on Drugs. The War on Drugs (band): The War on Drugs is an American indie rock band from Philadelphia, Pennsylvania, formed in 2005.
i don't know