Answer the following question: What type of details about grupo mania can be gathered from the following bio? Bio: grupo mania -lrb- sometimes spelled grupomania or grupomania -rrb- is a popular merengue group from puerto rico that released its debut album in 1993 . the group was formed by brothers hector and oscar serrano together with edwin serrano and alfred cotto in the early 90s . in 1994 , edwin serrano was replaced by elvis crespo before releasing their most successful albums . in 1997 , crespo decided to leave the group and follow a solo career . he was replaced in 1998 with reynaldo santiago , who had previously sung with zona roja , another popular merengue band at the time . the band has achieved gold status with some of their albums and are considered one of the best in the genre . at the beginning of the millennium , the band faced some controversy when hector serrano , the group director , fired cotto and santiago on the grounds of alleged discipline problems . cotto and santiago would go on to form grupo starz , while serrano replaced them with alex rivera and juan luis guzman . despite never having the same amount of success as previous years , the band continued to perform and record albums . however , in 2006 , serrano announced the group would go on a reunion tour entitled '' the originals '' with former members , elvis crespo and alfred cotto . after three years of inactivity , grupo mania released '' 15 anos de corazon '' in late 2008 . oscar serrano is resigning from grupo mania after twenty-two years to pursue a solo career . at the same time , both of the bands are promoting theirs new hit .
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- years active - past members - caption - origin - genre - name - background - image - current members