Gilmore gave up the Boston Brigade to accept an offer from the Salem Band at “$1,000 a year and all he could make.” After two successful years he returned to Boston where he organized his first band. Gilmore was then twenty-nine years old. Handsome, high-spirited and even-tempered, he made many friends. He was popular in various circles, especially among newspaper publishers, merchants and politicians. Pat never believed in hiding his accomplishments; he used every possible means of advertising himself and his band. He took his organization to the Charleston Convention, in 1860, and to the Lincoln Convention in Chicago’s Wigwam. When the Civil War came on, Gilmore and his band enlisted in a body in the 24th Massachusetts Volunteers. Governor Andrews named Gilmore Bandmaster-General and Chief Musician of the State of Massachusetts. The regiment was sent to North Carolina, and later to New Orleans where Gilmore was put in charge of all the military bands in the Department of the Gulf. In 1864, at a huge celebration in honor of the inauguration of the Honorable Michael Hahn as Governor of the Union State of Louisiana, Gilmore staged a spectacular concert. He assembled a chorus of 5,000 school children, a band of 500 pieces, a huge fife and drum corps, with cannon and bells coming in to accent the climaxes. _Hail Columbia_, _Star-Spangled Banner_, _America_ and other patriotic choruses were sung. Bandmaster Gilmore scored a great success. He returned home filled with ambition and eager for new worlds to conquer. Back in Boston he organized a new band, and made a tour of the country, reaping more honors for himself and his new organization. Then Patrick Sarsfield Gilmore conceived the great idea which carried him to the peak of his career. In June, 1867, he told his wife after asking her to keep the matter secret, “I’m going to get up the greatest musical festival and the grandest celebration in the world. It is to be a National Jubilee to celebrate the Coming of Peace throughout the land. It will be held in a great coliseum that will be built to hold 50,000 people.... The excitement over all the country will be tremendous and everybody will rejoice at the idea.”