[6] He also worked as a choral director and voice teacher for the Kentucky Chautauqua Assembly,[13][14] and was head of the music department of Fayette County Public Schools in Lexington.
[8] The two of them sang together at the ceremony unveiling a new monument to Roger Hanson, a brigadier general in the Confederate States Army during the American Civil War, at the Lexington Cemetery in July 1895.
[16] They performed a well known Confederate funeral elegy of the Orphan Brigade by John Henry Weller (1842–1912) entitled "O Lay, Me Away With Boys in Gray".
[21] In November 1896 he took a position as a paid singer at First United Methodist Church in Mount Vernon, New York, while continuing to study with Tubbs.
[29] He performed in a number of public concerts and events in Indianapolis in the summer of 1899, where his song repertoire included arias from the title roles in Felix Mendelssohn's Elijah and Richard Wagner's Tannhäuser.
[34] While continuing to work as a church vocalist, Croxton founded a private studio as a voice teacher at 442 N. Pennsylvania St. in Indianapolis in March 1900.
[43] He went on a national oratorio concert tour with Theodore Thomas and his symphony orchestra that was organized by the American music publisher W. W. Norton and sponsored by the Western Passenger Association.
[47] Croxton's performances on tour with Thomas's orchestra significantly raised his profile as a musician on the national stage, and he was pictured on the front cover The Musical Courier on April 29, 1903.
[51] He sang the bass arias again in The Creation at the Bush Temple of Music in Chicago with the Harmonic Association under conductor Charles Edward Allum in March 1904.
[52] In April 1904 it was announced that Croxton had accepted a high paying position as bass soloist at Madison Avenue Methodist Church in New York City.
[53] After completing his obligations in Chicago, Croxton and his wife returned to Kentucky for the summer of 1904 to visit family before taking up his new position in New York City in the autumn of 1904.
[55] Croxton and his family returned to New York City in the fall of 1904 where he began working as a singer at the Madison Avenue Methodist Church.
[63] In April 1905 he was a featured soloist at the Baptist Temple, Brooklyn's 10th annual music festival,[64] sang the bass solos in Haydn's The Seasons with the Oratorio Society of Baltimore under conductor Joseph Pache,[65] and performed a concert of music with the Deutscher Liederkranz of the City of New York with songs all using text by Friedrich Schiller, a choice made to honor the 100th anniversary of Schiller's death.
[66] In October 1905 Croxton appeared at the ninth annual Eastern Maine Music Festival as the bass soloist in The Creation[67] and King Henry the Fowler in Richard Wagner's Lohengrin.
[68][69] In the first week of December 1905 he once again performed the role of Méphistophélès in Faust, this time in a concert version with the Philharmonic Club and the Minnesota Orchestra under conductor Emil Oberhoffer.
[70] The following week he returned to Carnegie Hall as the bass soloist in Ludwig van Beethoven's Missa solemnis with the Oratorio Society of New York and conductor Walter Damrosch.