The verses of the song are all quite similar. Verses 1,2 and 3 are made up of a ,F# - F# C# progression over 8-bars. Each verse differs slightly an bars 4 and 8 - after the first verse these changes are shown as 'fills'. The differences are only slight. In verses 4 and 5 the original verse riff is transposed down by a whole tone giving a ,E - E B progression. Again, the riff played over the section is constant with only slight changes occurring in bars 4 and 8. The 2 guitar solos are b (zenandjuice.com)