Ed Roland, lead singer and songwriter for Collective Soul, recently shared two stories that reveal how working with constraints shaped his music career. And it turns out innovators in any field can learn from Ed’s approach. External Constraints   For eight years in the 1980s, Roland worked as a sound engineer at a small studio, while constantly writing his own songs. But when it came to recording them, he faced an age-old problem: no money. Back then, studios relied on expens