Technically, there is no guitar in this, but if there was, a C#m7b5 chord would appear in the chorus of the song. If you ...

except chord VII - the notes B – D – F, which is diminished. When a seventh is added to a chord this is known as a seventh chord. The dominant seventh of a V chord can be shown by the symbol V7.

except chord VII - the notes B – D – F, which is diminished. When a seventh is added to a chord this is known as a seventh chord. The dominant seventh of a V chord can be shown by the symbol V7.