#1
what does the 'r' mean in the tab below? I orginally thought it meant release the string in question (that was being bent) but it pops up even when there arent string bends. Someone help me?

Solo:
E|---------------------------------------------------------------------|
B|---------------------------------------8~~-----------8-8-------------|
G|------------7^rp5--7-(7)~~~--r7p5--7^-------r7p5--7^-----r7----5^\/\-|
D|-7~~~~~~~~~----------------------------------------------------------|
A|---------------------------------------------------------------------|
E|---------------------------------------------------------------------|

E|---------------------------------------------------------------------|
B|-----------------------------------------13^(2 steps)--13^(1/4 step)-|
G|-7/9-9/10--------------------------12h14-----------------------------|
D|----------------------10h12-12/14------------------------------------|
A|-5/7--7/8--8h10-10/12------------------------------------------------|
E|---------------------------------------------------------------------|

E|-------------------------------------------------------------------|
B|-------------------------------------------------------------------|
G|-14~~~--12---------------------------------------------------------|
D|-----------14-13h14p13p12-13p12-10-12p10---------10^---------------|
A|------------------------------------------12p10------12p10-12-(12)-|
E|-------------------------------------------------------------------|

E|-----15-15-15-------------15-15------------------------------------------|
B|-15^----------r15p13--15^-------r15--13-12---------12/15-13-12-13--------|
G|------------------------------------------------13-----------------14----|
D|---------------------------------------------14-----------------------15-|
A|-------------------------------------------------------------------------|
E|-------------------------------------------------------------------------|


E|-13-----------------------------5----------------------------------------------|
B|----13--15^--15~~~--r15p13--8^-----8-5--------x-x--8---------------5^r^(5)r--5-|
G|----------------------------------------r7p5--x-x--7^--(7)-----r7--------------|
D|-------------------------------------------------------------------------------|
A|-------------------------------------------------------------------------------|
E|-------------------------------------------------------------------------------|



EDIT: If you're interested, the solo is from don't cry, a pretty simple song.