The main - songwriting - unit for the band formed Jon Jon Jovi and lead singer Sambora .
Jon Bon Jovi and lead singer Sambora formed the main songwriting unit for the band .
Jon Bon Jovi and lead singer Sambora formed the main songwriting unit for the band .
Reformula esta oración: The main - songwriting - unit for the band formed Jon Jon Jovi and lead singer Sambora . Producción: