求翻译：十八岁写下第一个音乐作品《Someone》。 大学时，母亲为燕姿报名李伟菘音乐学校，学习唱歌，担任校园乐队主唱。经李伟菘推荐，签约华纳音乐公司。是什么意思？

18 wrote the first musical work of the Someone. In College, mothers for Stefanie application Paul Lee music school, studying singing, served as lead singer of the band on campus. Recommended by Paul Lee, signed Warner music company.

18 years old write down the first music work "Someone". When university, the mother registers the Li Wei brassica chinensis music school for Yan Zi, the study sings, holds the post of the campus orchestra to initiate.After the Li Wei brassica chinensis recommendation, signs a treaty the Warner music

18 wrote the first musical work of the Someone. In College, mothers for Stefanie application Paul Lee music school, studying singing, served as lead singer of the band on campus. Recommended by Paul Lee, signed Warner music company.

18 wrote the first musical work of the Someone. In College, mothers for Stefanie application Paul Lee music school, studying singing, served as lead singer of the band on campus. Recommended by Paul Lee, signed Warner music company.