Abt Vogler is authored by

The correct option is Robert browning.

Detailed Explanation:
1. Identification: "Abt Vogler" is a celebrated poem composed by the major Victorian poet Robert Browning. It was first published in his 1864 volume of poetry, Dramatis Personae.
2. Subject Matter: The poem is a dramatic monologue spoken by Abt (Abbot) Georg Joseph Vogler, a historical German priest, composer, and organist. In the poem, Vogler extemporizes music on an organ of his own invention (the orchestrion) and reflects on the spiritual and transient nature of music, concluding that while earthly music disappears, nothing good is ever lost in the eyes of God.
3. Other Options:
- Matthew Arnold is famous for poems like "Dover Beach" and "The Scholar-Gipsy", but did not write this work.
- A. L. Tennyson (Alfred, Lord Tennyson) is renowned for works like "In Memoriam A.H.H." and "Ulysses", but is not the author of "Abt Vogler".