This is an exercise i came up with that sounds like a circus theme. It's fairly 
simple. Good speed builder.

legend:
h=hammer-on
p=pull-off

Can check the timing at this video:
http://www.youtube.com/watch?v=DtAhbiHeX2Y





|-13-12-11h12p11--------------------------------|
|----------------14-13-12-11-12-15-14-13h14p13--|
|-----------------------------------------------|
|-----------------------------------------------|
|-----------------------------------------------|
|-----------------------------------------------|

|-----------------------------------------------|
|----------------13-------------13--------------|
|-15-14-13-12-13----12-12-11-12----12-12-11-12--|
|-----------------------------------------------|
|-----------------------------------------------|
|-----------------------------------------------|

|-----------------------------------------------|
|-----------------------------------------------|
|----------------------------5-6-7-8-9-10-11-12-|
|--------------------6-7-8-9--------------------|
|-----------7-8-9-10----------------------------|
|-8-9-10-11-------------------------------------|

|------------13---------------------------------|
|-9-10-11-12------------------------------------|
|-----------------------------------------------|
|-------------------10--------------------------|
|----------------10-8---------------------------|
|----------------8------------------------------|