Example of Albertini bass from Mozart's Sonate Opus KV 331 - Variation 6, measures 13-16 (instead of 13-15 so as to allow an end on the tonic).It seems like Alberti bass, but it isn't!
Lament bass from Vivaldi's motet "O qui coeli terraeque serenitas" RV 631, Aria No. 2. Created by Hyacinth (talk) 22:25, 18 April 2010 using Sibelius 5.
Author: The original uploader was Hyacinth at English Wikipedia.
Diagonal barre chord: major seventh chord on G. The first finger fingers both the second fret on the first four strings and the third fret on the sixth string.