pibroch(n = noun.communication) - martial music with variations; to be played by bagpipes;
is a kind of martial music, military march, military music

   A Highland air, suited to the particular passion which the musician would either excite or assuage; generally applied to those airs that are played on the bagpipe before the Highlanders when they go out to battle. Jamieson. [1913 Webster]

pibroch, n. a series of esp. martial or funerary variations on a theme for the bagpipes.

Etymology:
Gael. piobaireachd art of piping f. piobair piper f. piob f. E PIPE

N  warfare, fighting, hostilities, war, arms, the sword, Mars, Bellona, grim visaged war, horrida bella, bloodshed, appeal to arms, appeal to the sword, ordeal of battle, wager of battle, ultima ratio regum, arbitrament of the sword, battle array, campaign, crusade, expedition, operations, mobilization, state of siege, battlefield, theater of operations, warpath, art of war, tactics, strategy, castrametation, generalship, soldiership, logistics, military evolutions, ballistics, gunnery, chivalry, gunpowder, shot, battle, tug of war, service, campaigning, active service, tented field, kriegspiel, Kriegsspiel, fire cross, trumpet, clarion, bugle, pibroch, slogan, war-cry, war-whoop, battle cry, beat of drum, rappel, tom-tom, calumet of war, word of command, password, watchword, passage d-armes, war to the death, war to the knife, guerre a mort, guerre a outrance, open war, internecine war, civil war, contending, contentious, armed, armed to the teeth, armed cap-a-pie, sword in hand, in arms, under arms, up in arms, at war with, bristling with arms, in battle array, in open arms, in the field, embattled, battled, unpacific, unpeaceful, belligerent, combative, armigerous, bellicose, martial, warlike, military, militant, soldier-like, soldierly, chivalrous, strategical, internecine, flagrante bello, in the thick of the fray, in the cannon's mouth, at the sword's point, at the point of the bayonet, Int, vae victis!, to arms!, to your tents O Israel!, the battle rages, a la guerre comme a la guerre, bis peccare in bello non licet, jus gladii, my voice is still for war, 'tis well that war is so terrible, otherwise we might grow fond of it, my sentence is for open war, pride, pomp, and circumstance of glorious war, the cannons have their bowels full of wrath, the cannons aspit forth their iron indignation, the fire-eyed maid of smoky war, silent leges inter arma, si vis pacem para bellum.

N  music, concert, strain, tune, air, melody, aria, arietta, piece of music, work, number, opus, sonata, rondo, rondeau, pastorale, cavatina, roulade, fantasia, concerto, overture, symphony, variations, cadenza, cadence, fugue, canon, quodlibet, serenade, notturno, dithyramb, opera, operetta, oratorio, composition, movement, stave, passamezzo, toccata, Vorspiel, instrumental music, full score, minstrelsy, tweedledum and tweedledee, band, orchestra, concerted piece, potpourri, capriccio, vocal music, vocalism, chaunt, chant, psalm, psalmody, hymn, song, canticle, canzonet, cantata, bravura, lay, ballad, ditty, carol, pastoral, recitative, recitativo, solfeggio, Lydian measures, slow music, slow movement, adagio, minuet, siren strains, soft music, lullaby, dump, dirge, pibroch, martial music, march, dance music, waltz, solo, duet, duo, trio, quartet, quartett, septett, part song, descant, glee, madrigal, catch, round, chorus, chorale, antiphon, antiphony, accompaniment, second, bass, score, bourdon, drone, morceau, terzetto, composer, musician, musical, instrumental, vocal, choral, lyric, operatic, harmonious, Wagnerian, adagio, largo, larghetto, andante, andantino, alla capella, maestoso, moderato, allegro, allegretto, spiritoso, vivace, veloce, presto, prestissimo, con brio, capriccioso, scherzo, scherzando, legato, staccato, crescendo, diminuendo, rallentando, affettuoso, obbligato, pizzicato, desto, in notes by distance made more sweet, like the faint exquisite music of a dream, music arose with its voluptuous swell, music is the universal language of mankind, music's golden tongue, the speech of angels, will sing the savageness out of a bear, music hath charms to soothe the savage beast.