MUMBAI, March 10 -- There's an interesting story on how Rajasthani folk band Barmer Boys was formed. When a team from New Delhi-based Amarrass Records visited the remote Ramsar village in late 2010 to record singer Rukma Bai Manganiyar, they were impressed by a young male singer who had joined her. "Something told me he needed a band," says Ashutosh Sharma, co-founder of Amarrass....