50+ Music<p><a href="https://mastodon.online/tags/OnThisDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OnThisDay</span></a> in 1969, 3-day Atlantic City Pop Festival opens at the Atlantic City Race Course in Hamilton Township, New Jersey; performers include: Procol Harum; <a href="https://mastodon.online/tags/JoniMitchell" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JoniMitchell</span></a>; Chicago; Santana; <a href="https://mastodon.online/tags/LittleRichard" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LittleRichard</span></a>; Booker T and the MG's; Sir Douglas Quintet; <a href="https://mastodon.online/tags/JanisJoplin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JanisJoplin</span></a>; Jefferson Airplane, <a href="https://mastodon.online/tags/BBKing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BBKing</span></a>; The Byrds; <a href="https://mastodon.online/tags/CreedenceClearwaterRevival" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CreedenceClearwaterRevival</span></a>; Tim Buckley; Hugh Masekela; <a href="https://mastodon.online/tags/DrJohn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DrJohn</span></a>; and The Mothers of Invention; attendance estimated at 110,000.</p>