FTP, name this instrument, usually played by an oboist doubling on it, not to be confused to with a French brass instrument of the same name.
This instrument is the alto member of its family, but its tenor and bass siblings are rarely in use today. It is pitched in F and its modern range spans from E or E flat to the C that is 2 octaves above middle C. Rarely performed as a solo instrument, it is however common given extensive lyrical solo passage in orchestral works, most famously in the Largo movement of Dvorak's 9th Symphony, the New World Symphony. FTP, name this instrument, usually played by an oboist doubling on it, not to be confused to with a French brass instrument of the same name.
This instrument is the alto member of its family, but its tenor and bass siblings are rarely in use today.
{English horn} or {cor Anglais} [prompt on partial answer]