Related Clues:

• Accidentally
• Serendipitously
• As luck would have it
• Unexpectedly
• Fortuitously
• As it happened, without being planned
• Accidentally, not planned
• Unplanned, as it happened
• Just happen to come by the sound of church music
• There's no design in such a mixture
• Legendary Welsh king has no right to join the Church of England, as it happens
• Without advance planning
• As it happens, it indicates the person who wrote it has fortuitous opportunity
• Brigade's leader, close to guy shot accidentally
• Sabotaging NYC beach is definitely arbitrary