On SBS radio program 'Kim Chang Ryul's Old School,' 15& members Baek Ye Rin and Park Ji Min revealed how they got on the path to becoming artists. �

DJ Kim Chang Ryul asked, "How did you become a singer?" �Baek Ye Rin said, "I went to singing school and the director told me, 'You'd get better if you received more training,' which is how it began."

SEE ALSO: Comedian Hong Yoon Hwa clarifies that she lost weight without the help of injections

Park Ji Min said, "I started dreaming of singing in my first year of middle school. �I had enjoyed singing as just a hobby. �My original dream was to become a professional swimmer. Consistently swimming also helps my singing a lot."

Another guest, Park Si Hwan, added, "My dream was to be a firefighter," to which Kim Chang Ryul said, "That suits you. �I really think you would help somebody a great deal."