Malcolm Halliday performs both as a soloist and in collaboration with singers, instrumentalists and orchestras in the United States and Europe. He has played extensively on historical pianos from museum and private collections, using period instruments in concerts at Jordan Hall and Faneuil Hall in Boston, Mechanics Hall in Worcester, the Metropolitan Museum of Art in New York and other locations throughout New England.

With bass-baritone Robert Osborne, he recorded Schubert's Winterreise using an original fortepiano from the Frederick Collection, the c. 1828 instrument crafted by Viennese builder Conrad Graf. A champion as well of more recent and contemporary music, Halliday can also be heard as pianist on two recordings of the music of the American composer Leo Sowerby: a solo album entitled Impressions, and songs with bass-baritone Robert Osborne in a collaborative album entitled My Love Unspoken, both CDs released through Albany Records. Halliday can also be heard on the recently released Art Songs of the British Romantics with Tenor Stanley Wilson performing songs by Bridge, Elgar, Quilter and Vaughan Williams.

Formerly resident pianist for the American Schubert Institute in Boston, he is also pianist with mezzo-soprano D'Anna Fortunato and clarinetist Chester Brezniak in the Blackstone Trio, and performs often as piano soloist and collaborative pianist with other singers and instrumentalists.

Malcolm Halliday is Minister of Music at the First Congregational Church in Shrewsbury, where he leads one of the largest church music ministries in central Massachusetts. An active organ recitalist, he obtained certification in 2007 as a Fellow of the American Guild of Organists. As conductor he appears in the recent Albany Records recording The River of Love, an album devoted to Shaker music and settings of Shaker themes by contemporary composers. He is Artistic Director of the Master Singers of Worcester. He resides in Worcester, MA and is a member of the adjunct music faculty at Clark University and Worcester Polytechnic Institute. He holds degrees in piano from Oberlin Conservatory and Boston University, and studied a year in Essen-Werden, Germany at the Folkwang Hochschule fuer Muzik, Theater and Tanz.