What is the name of the Brothers who originally Started the band Chevelle and Wrote the Song Vitamin R? 
Vitamin R (Leading Us Along): "Vitamin R (Leading Us Along)" is a single from Chevelle's album "This Type of Thinking (Could Do Us In)". Chevelle (band):  The band was originally composed of brothers: Pete Loeffler (lead vocals and guitar), Sam Loeffler (drums and percussion) and Joe Loeffler (bass and backing vocals).
i don't know