Check out these Shure microphones images:
Shure SM57 vs Samson C01U: Stairway to Heaven
Image by Yutaka Tsutano
Stairway to Heaven is played to compare the SNR of the two microphones. The song was chosen because it has wide dynamic range.
You can also hear the difference in the frequency domain.
Silver condenser mic: Samson C01U
Black dynamic mic: Shure SM57 w/ Tascam US-144 MKII
Full version: www.youtube.com/watch?v=7mHPzHaDIBg
Shure SE1A on the Hi-Hat
Image by Iain Mullan