Capo at 1st, transpose +1,(or leave like this to sing with baritones!)
Ask if you want chord fingering help.   Note that the "Am" is really the riff more like 
just an A5 power chord, etc than strumming an Am chord.

Intro:  Am

 Am
Girl, you really got me goin', you got me so I don't know what I'm doin', now
 Am
Girl, you really got me now, you got me so I can't sleep at night
 Bm
Girl, you really got me now, you got me so I don't know where I'm goin', yeah
 Em
Girl, you really got me now, you got me so I can't sleep at night

 Em                                                                 D
You really got me, (oh), you really got me, (oh), you really got me

 Am
Please, don't ever set me free, I only wanna be by your side
 Am
Please, don't ever set me free, I only wanna be by your side
 Bm
Girl, you really got me now, you got me so I don't know what I'm doin'
 Em
Oh yeah, you really got me now, you got me so I can't sleep at night

 Em                                                                 D
You really got me, (oh), you really got me, (oh), you really got me

Solo:  Am C - D , Am F - G ,  Am
 Am

 Am
Girl, you really got me goin', you got me so I don't know what I'm doin', now
 Am
Girl, you really got me now, you got me so I can't sleep at night
 Bm
Girl, you really got me now, you got me so I don't know where I'm goin', yeah
 Em
Girl, you really got me now, you got me so I can't sleep at night

 Em                                                                 D
You really got me, (oh), you really got me, (oh), you really got me

Em         E7#9
Oh, oh, oh