, but this code // executes before the first paint, when

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is not yet present. The // classes are added to so styling immediately reflects the current // toolbar state. The classes are removed after the toolbar completes // initialization. const classesToAdd = ['toolbar-loading', 'toolbar-anti-flicker']; if (toolbarState) { const { orientation, hasActiveTab, isFixed, activeTray, activeTabId, isOriented, userButtonMinWidth } = toolbarState; classesToAdd.push( orientation ? `toolbar-` + orientation + `` : 'toolbar-horizontal', ); if (hasActiveTab !== false) { classesToAdd.push('toolbar-tray-open'); } if (isFixed) { classesToAdd.push('toolbar-fixed'); } if (isOriented) { classesToAdd.push('toolbar-oriented'); } if (activeTray) { // These styles are added so the active tab/tray styles are present // immediately instead of "flickering" on as the toolbar initializes. In // instances where a tray is lazy loaded, these styles facilitate the // lazy loaded tray appearing gracefully and without reflow. const styleContent = ` .toolbar-loading #` + activeTabId + ` { background-image: linear-gradient(rgba(255, 255, 255, 0.25) 20%, transparent 200%); } .toolbar-loading #` + activeTabId + `-tray { display: block; box-shadow: -1px 0 5px 2px rgb(0 0 0 / 33%); border-right: 1px solid #aaa; background-color: #f5f5f5; z-index: 0; } .toolbar-loading.toolbar-vertical.toolbar-tray-open #` + activeTabId + `-tray { width: 15rem; height: 100vh; } .toolbar-loading.toolbar-horizontal :not(#` + activeTray + `) > .toolbar-lining {opacity: 0}`; const style = document.createElement('style'); style.textContent = styleContent; style.setAttribute('data-toolbar-anti-flicker-loading', true); document.querySelector('head').appendChild(style); if (userButtonMinWidth) { const userButtonStyle = document.createElement('style'); userButtonStyle.textContent = `#toolbar-item-user {min-width: ` + userButtonMinWidth +`px;}` document.querySelector('head').appendChild(userButtonStyle); } } } document.querySelector('html').classList.add(...classesToAdd); })(); Oratorio Chorus | °ÄÃÅÁùºÏ²Ê¿ª½±¼Ç¼×ÊÁÏ

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Oratorio Chorus

Oratorio Chorus is a large community chorus that presents Handel’s Messiah each December. Membership is open to all Calvin students, alumni, and community members who meet the demands of vocal technique and musicianship.

Rehearsal information: Mondays, 7:30-9:30pm (°ÄÃÅÁùºÏ²Ê¿ª½±¼Ç¼×ÊÁÏ's Covenant Fine Arts Center Recital Hall)Ìý

Performance information: Friday, December 6 at 7:30pm and Saturday, December 7 at 3:00pm (°ÄÃÅÁùºÏ²Ê¿ª½±¼Ç¼×ÊÁÏ's Covenant Fine Arts Center Auditorium)ÌýÌý

Conductor

Sean Ivory's staff picture
Sean Ivory

Adjunct Faculty
Oratorio Chorus

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Emily Duff

Community Music Administrator

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