Complex sentence: "Come, Thou Long Expected Jesus" was the first of a number of Wesley's hymns that became known as the "Festival hymns" which were published outside of Methodism by German, John Frederick Lampe in 1746.
Split into simpler sentences: Come, Thou Long Expected Jesus was the first of a number of Wesley's hymns that became known as the "Festival hymns". These "Festival hymns" were published outside of Methodism by German, John Frederick Lampe in 1746.