These are the days of our lives (TAB) - Queen

[Kandelera]

Ciao a tutti,
sto studiando l'assolo di questa bella canzone dei Queen ma sono bloccata in un punto:
cosa significano le lettere r, p, v, b che sono scritte sulla tab?
Grazie in anticipo, vi prego, illuminatemi!!
:-(

Queen: These are the days of our lives

solos
|------------------------------------------|
|-----------________-----------------------|
|--b14V-----14r12p10-9---7--7/9---10--9v---|
|------------------------------------------|
|------------------------------------------|
|------------------------------------------|

-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
-10h12----10--9----10--7-----9--7---7--9--10r9-7-9p7\5----14p12-14b15r10---12--
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------

|----12b13v---13r12p10----10------------------------------------------|
|-10-------------------13----13p10----10------------------------------|
|----------------------------------12----12p10\9-10p9-----------------|
|-----------------------------------------------------12p10-12/14___\-|
|---------------------------------------------------------------------|
|---------------------------------------------------------------------|

|----14b15v---15r14p12----12--------------------------------------|
|-12-------------------15----15p12----12----------------------15--|
|----------------------------------14----14p12\11-12p11-----------|
|-------------------------------------------------------14p12-----|
|-----------------------------------------------------------------|
|-----------------------------------------------------------------|

|--------------------------------|
|-15/17-15\13---12__\10\8-10/12--|
|--------------------------------|
|--------------------------------|
|--------------------------------|
|--------------------------------|

|-----------------------------------------------------|
|---------------------------17r15brbrp13-12-13___/20--|
|-<12-12-12-12-12-12-12-12>---------------------------|
|-----------------------------------------------------|
|-----------------------------------------------------|
|-----------------------------------------------------|

|--------------------------------------------|
|-20b22----20--18--17------------------------|
|---------------------19--17--16-17-19-------|
|--------------------------------------17----|
|--------------------------------------------|
|--------------------------------------------|

|--------------20--19--17---------------------------------|
|-20b22___rp18------------20-18-17------------------------|
|----------------------------------19-17-16-17-19----17---|
|-------------------------------------------------17------|
|---------------------------------------------------------|
|---------------------------------------------------------|

|--------------------------------------------------------------------------|
|-16b17--------------------------------------------------------------------|
|--------17-15-------------------------------------------------------------|
|--------------17-16-15-13b------------------------------10--12b13r-12p10--|
|---------------------------15-13--------------------12--------------------|
|---------------------------------15-14-12b13___\--------------------------|

[febo]

sono delle tecniche da usare per suonare la nota successiva:
V = vibrato
h = hammer on (in italiano è il legato con la nota più alta)
p = Pull off (legato con la nota più bassa)
b = bending (legato ma devi raggiungere la nota "tirando" quella precedente)