Tagbar shortcuts

:ta      :ta[g][!] {tag}        jump to tag {tag} 
:ta      :[count]ta[g][!]       jump to [count]'th newer tag in tag list
CTRL-]      CTRL-]              jump to the tag under cursor, unless changes
CTRL-T   N  CTRL-T              jump back from Nth older tag in tag list

help --> F1
sidebar --> F8