Title format: [PDF/JPG tag] Composer's surname, forename - op.xx/xx Title - tags (if known)
e.g. [PDF] Albeniz, Isaac - op.47 Sevilla
or [PDF] Quantz, J. J. - op.02/02 Duetto - Duo (For more than one forename, just give initials.)
or [PDF] Anon. - Packington's Pound (Use Anon. for all anonymous or traditional pieces.) Username may replace Composer's surname and forename for your own compositions.
For Giuliani the opus number should be 3 digits (op.048) and for Bach the BWV number should be 4 digits (BWV 0820).
For more details see instructions here.
It is indeed missing its key signature. I've played it through a few times and where you say the G on the sixth string should be played with 3rd finger I'd rather play it with the 4th finger and where you play it with the 4th finger (measure 8 ), I'd rather play it with the 2nd or 3rd finger.