Stairway to heaven (guitar solo)

Some points about solo -
1. Solo is on Am pentatonic scale
2. Solo has added F note to it, which is absent in Am pentatonic scale...
eg. see the bold note in the tab.

3. Chords behind the solo also have F chord in it...

F note is added when he is playing F chord

Lick1 

|------5------------------------|
|--------8-5--------------------|
|-7b9r-------7-5---7-5----------|
|----------------5-----7-5------|
|--------------------------8----|
|-------------------------------|
Lick2 
---------8--10-|-8-------------------|
----8b10-------|---10-8----8h10------|
---------------|--------10-----------|
---------------|---------------------|
---------------|---------------------|
---------------|---------------------| 
Lick1 type 
|------5-----------------------------------|
|----5---8p5-------------------------------|
|-7b---------7-5---7-5-----------5---5-5p0-|
|----------------7-----7-5---5-7---7-------|
|--------------------------7---------------|
|------------------------------------------|Lick1 type

|-5--------------------------|
|---8-5----------------------|
|-------7-5---7-5------------|
|-----------7-----7h5-7h5----|
|-------------------------8v-|
|----------------------------|

Lick3
|--------------------|-------------------|
|--------------------|----------------13-|
|--------------------|-------12-12h14----|
|-----10h12p10----10-|-12/14-------------|
|-/12----------12----|-------------------|
|--------------------|-------------------|

Lick4.1

|--------------------|-15b-15p13--------------|
|-15b-15p13-15p13----|-----------15br-p13-----|
|-----------------14-|--------------------14--|
|--------------------|------------------------|
|--------------------|------------------------|
|--------------------|------------------------|

Lick4  X11

(start beat for this lick at 13) (r=release after bend)

|------------------|
|-13-15br-p13------|
|------------14----|
|------------------|
|------------------|
|------------------|

|---15b-12-15-12--------------------------------15-------------|
|13--------------15-13----13-15-13----13-15-15b----15br-p13----|
|----------------------14----------14-----------------------14-|
|--------------------------------------------------------------|
|--------------------------------------------------------------|
|--------------------------------------------------------------|



|-----15-17p15-------------------------|
|-15b----------15br-13-15-13----13-15b-|
|----------------------------14--------|
|--------------------------------------|
|--------------------------------------|
|--------------------------------------|



|-------------------------|
|-------------------------|
|-14b-14b-14-12-14-12-14v-|
|-------------------------|
|-------------------------|
|-------------------------|



|-----------------------------|
|-----5-------5---------------|
|-10b---7-5-7---7-5-7-8-7-5---|
|---------------------------7-|
|-----------------------------|
|-----------------------------|


      |- 6 times --|
|-----|--20p17-----|-20b-|
|-/17-|--------17--|-----|
|-----|------------|-----|
|-----|------------|-----|
|-----|------------|-----|
|-----|------------|-----|