1818 Maidstone Michaelmas Fair Morning Advertiser - Thursday 22 October 1818

In 1819 a man was beaten up and robbed at a fair in Hampstead, London.
Henry Lovell, one of the fair workers, was blamed. His written defence was:

"the prosecutor came into the booth, and said I had robbed him, which I deny.
There were hundreds of people there, some of whom got me into a crowd,
and stole my mouth-organ and drum."
source

1822 Newspaper report:

"Yesterday a company of blind itinerant Musicians, consisting of a clarionet, two violins, and bass viol, were performing in Albemarle Street, Piccadilly, some of the choicest pieces of modern music, in a style which drew together a very numerous audience. In the midst of this delightful harmony an evil genius suddenly appeared in the person of another member of the profession ; who, jealous of the applause his brethren bad obtained, or envious of the harvest they were reaping from their exertions, exerted himself so successfully with a drum and pandean pipes as to stifle in the birth the soul-enlivening notes from the silver toned cremonas. The little band for a short time endured the discord the vile pandean occasioned with the most philosophic forbearance; but finding all their endeavours to be heard completely ineffectual were compelled to desist ,expecting their opponent would immediately discontinue his annoyance. But in this they were disappointed ; the fellow still kept up the most astounding noise with his drum, to the infinite amusement of the bystanders and chagrin of the little band who manifested their displeasure in rather uncourtly terms. Still the provoking pandean was not to be silenced. He continued blowing and thumping, till he was black in the face, without once deigning to notice his enraged brethren. The little band apparently unwilling to yield, and puzzled how to proceed, held a council of war, in which it was resolved to ascertain, who could play longest. The clarionet immediately struck hp, followed by the violins and grumbling bass viol. The full blown cheeks of the former presented an amusing contrast with the lank visage of the Pandean, and the contest was for some time severe and doubtful. The latter, however, who from the commencement had allowed himself but little or no breathing time, began to exhibit evident symptoms of 'exhaustion and ultimately was compelled to cease. The triumph of the little party was, however, but of short duration foe the fellow who appeared to recollect that though short of breath, he had not lost the use of his arms, commenced a solo on the drum which he belaboured so unmercifully as to compel the luckless fiddlers to put up their fiddle-sticks in despair.. A short pause ensued, which was but the prelude to a storm. — The little party, enraged beyond measure at the opposition they had experienced sent forth a volley of abuse which quite overwhelmed their opponent. Four to one, he observed, with the most provoking sang froid, was a fearful odds, and again had recourse to his drum, with which he kept up such a clatter, as completely silenced, and ultimately drove his antagonists from the field.  We understand the poor fiddlers, in the course of their peregrinations, had entered the street in question, and had been pretty successful in drawing the loose pence from the pockets of their hearers. The Pandean, who had for some time enjoyed the exclusive right of playing in this street, viewed this unconscious invasion of the blind men as a direct attack on his privilege, and formed the resolution on which he ultimately succeeded to drum ',em out."

Constitution (London) - Sunday 20 January 1822

1823 Advertisement Morning Advertiser - Tuesday 11 February 1823

1823 ‘from Mr. NATHAN'S entertaining and ingenious Essay on the History and Theory of Music.’New Times (London) - Thursday 23 October 1823

1824   "I am the proprietor of a Punch's show," he said. "I goes about with it myself, and performs inside the frame behind the green baize. I have a pardner what plays the music - the pipes and drum - him as you seed with me. I have been five and twenty year now at the business… I couldn't play the drum and pipes, so the young man used to do that himself, to call the people together before he got into the show.   The Morning Chronicle : Labour and the Poor, 1849-50; Henry Mayhew - Letter LII

1826 Law report: Fleming's Weekly Express - Sunday 12 March 1826

1827 Michaelmas Fair ‘The attractions prepared for the rustics, were of no ordinary description,... music of most every description, from the bag-pipe and hurdy gurdy to the box-organ and pandean pipes. ’Berkshire Chronicle - Saturday 22 September 1827

In New Zealand in 1827 at the crowded Sandy Bay races on New Year's Day "the notes of the rustic Pandean pipe and drum mixed with those of the more jocund fiddle" Colonial Times and Tasmanian Advertiser, Friday 5th January 1827

1828 source

1829 The Big Fight Morning Advertiser - Thursday 26 March 1829

Puppet Booths

Some London street entertainers earned their living playing in the streets in conjunction with puppet booths or Punch and Judy shows. Henry Mayhew interviewed many street entertainers including a 'street musicianer', a performer on 'drum and pipes', who recounted what he did some 30 years before. "I have played the pandean pipes and the drum for thirty years to street exhibitions of all kinds. I married a young woman that I fell in love with, in the music line. She played a hurdy-gurdy in the streets, so I bought pandean pipes, as I was always fond of practising music, and I joined her. Times for street-musicianers were good then, but I was foolish. I 'm aware of that now; but I wasn't particularly partial to hard work; besides, I could make more as a street-musicianer. When I first started, my wife and I joined a fantoccini. [puppet theatre] It did well. My wife and I made from 9s. to 10s. a-day. " source

1824 Greenwich ParkSussex & Surrey Chronicle - Wednesday 16 June 1824

A street puppet theatre came along the road in 1825:

"Its coming was announced by a man playing the Pan-pipes,
or "mouth-organ," which he accompanied by beating the long drum;
after him followed the theatre, consisting of a square frame-work
about ten feet high, ...
The band of two instruments was set in motion by its performer,
who took his station on one side, and the carrier of the theatre
assuming the important office of money collector....
Boys came running in from the fields, women with children got
"good places," windows were thrown up and well filled, the drummer
beat and blew away lustily, the audience increased every minute, .......
In about a minute the tune altered, and the show began".

'A Selection of Balls from 1808'

The Pandean Minstrels" were at the height of their fame by 1808. The Morning Chronicle newspaper for the 10th of February 1808 noted of a ball at the Pantheon that “The Vauxhall Pandeans, in their Polish dress, a military band in full uniform, with Gow's famous Scotch band, are engaged to play the whole evening.” …A theatrical performance was advertised later that year (Daily Advertiser, 8th of March 1808) at which “The Vauxhall famous Pandean Musicians are engaged to play between the Acts”; Lady Heathcote held a ball (Morning Herald, 18th of May 1808) at which “The Pandean Band performed in the inner hall as the company entered”, and it was reported of a royal ball (National Register, 21st of August 1808) that the “Pandeans from Vauxhall being introduced after dinner, the juvenile part of the company were gratified by a rustic ball…” 

1819 pandean pipes in Australia:

“The Queen's Birthday Ball, 23 January 1819
At Governor Macquarie's ball, violins were used in conjunction with wind instruments.
following supper, 'about 170 ladies and gentlemen' were [r]e-summoned to the sprightly dance by the novel and attractive sound of the Pandean pipes, whose shrill tones were mellowed by the softer cadences of flutes, claronets, and violins; the company returned to the ball- room, where the dancing continued with uncommon vivacity and spirit until four o'clock in the morning, when the party retired highly gratified with the superior and truly fascinating amusements of the evening.”

The Sydney Gazette, and New South Wales Advertiser Saturday, 23 January 1819 quoted in The First Fleet Piano: Volume One A Musician’s View · Volume 1 by Geoffrey Lancaster ·chapter 8 page 433, 2013