In the song dont stop believing - journey

what style does the song represent?

what musical elements of the song to identify its style?

how would you describe the singer's (or singers') timbre?

what instrument(s) do you hear?

does the instrumentation change at all during the song?

what is the tempo?

my band played this song the tempo of it is 120bpm depending on if its instrumental or singing. the instrumentation changes slightly first in the beginning and a little through out the song. there are multiple instruments in this song such as percussion,mellophone,trumpet,guitar i believe baritone flute and clarinets. the song represents a journey through multiple instruments including wave like music it also shows that we should never give up