Autograph manuscript, n.d.(ca.1748)
Public Domain [tag/del]
||Pensa ben mio chi sei
||Molter, Johann Melchior
||Apostolo Zeno (1668-1750)
||S, strings (2 violins, viola), basso continuo
Some sources say this is "geistliche", i.e. sacred, but the words don't seem terribly sacred to me. If someone can sort this out, it can be more specifically tagged.