Queen - Another one bites the dust

riff 1                                riff 2
|---------------------------------|  |--------------------------------|
|---------------------------------|  |--------------------------------|
|---------------------------------|  |--------------------------------|
|-5-3-0---0---0----0-0--0--3--0-5-|  |---0---0---0----0-0--0--3--0-5--|

riff 3 
|-----------------------------------|  
|-----------------------------------|  
|-----------------------------------|
|-3----0---0---0----0-0--0--3--0-5--|

riff 4                  riff 5                      riff 6
|-------------------|  |------------------------|  |-----------------|
|-------------------|  |-------------------5----|  |-----------------|
|-3--3---3--4-5-----|  |-----3--3---3--4-5------|  |-----------------|
|-----------------5-|  |----------------------5-|  |--5--5---5--6-7--|

riff 7                           riff 8
G-|--------------------------|  |---------------------------|
D-|--------------------------|  |---------------------------|
A-|--------------------------|  |---------------------------|
E-|-2----7-55-5-5---2---3--0-|  |----2----7--55-5-5---2---3-|

sequence of riffs:112222254563228221254563217
                  122154563218215456