Answer the following question: What key details about the four freshmen can be extracted from the following bio? Bio: '' for the irish showband , see the freshmen -lrb- band -rrb- '' the four freshmen is an american male vocal band quartet that blends open-harmonic jazz arrangements with the big band vocal group sounds of the modernaires -lrb- glenn miller -rrb- , the pied pipers -lrb- tommy dorsey -rrb- , and the mel-tones -lrb- artie shaw -rrb- , founded in the barbershop tradition . the four freshmen is considered a vocal band because the singers accompany themselves on guitar , horns , bass , and drums , among other instrumental configurations . the last original member retired in 1993 , but the group still tours internationally to sold-out audiences and has recorded jazz harmonies since its late 1940s founding in the halls of the jordan school of music at butler university -lrb- indianapolis -rrb- .
Answer:
- website is http://www.4freshmen.com/- years active is 1948 -- present- past members is ross errair bill comstock ken albers ray brown autie goodman dennis barbour grillo mike beisner rod henley dave jennings newton graber kirk don marcy gary lee rosenberg greg stegeman kevin stout alan macintosh barbour vince johnson brian eichenberger hal kratzsch bob flanigan ken- origin is indianapolis , indiana , united states- genre is jazz , classic pop , barbershop- name is the four freshmen- background is group_or_band- label is capitol stylist , creative world , kahoots , phonorama , pickwick , , sunset , crystal , four freshmen society liberty , pausa records , coronet ,- current members is tommy boynton stein malvey curtis calderon bob ferreira