A recurrent trope in the reception of Joseph Joachim's performances is the notion that that he magically transformed himself into the composer of the work. In particular, his performances of violin concertos frequently evoked this perception, as documented by Andreas Moser, Otto Gumbrecht, Hans von Bülow, and Johannes Brahms. Building on work by Katharina Uhde and Karen Leistra-Jones, this article will propose that Joachim's cadenzas played a central role in fostering the perceived slippage between the composer and performer. Joachim composed – and performed – cadenzas for many of the concertos in his core repertoire, including works by Giuseppe Tartini, W. A. Mozart, Giovanni Battista Viotti, Ludwig van Beethoven, and Brahms. I will argue that Joachim's cadenzas enact a compositional approach to the thematic material. The depth of this engagement is profound, encompassing not only the soloistic passages but also the ritornello sections as material for developmental reworking and modulatory processes. In fact, he often explores harmonic avenues that are only hinted at in the ‘parent’ concerto, highlighting and fulfilling moments of unrealized potential. Joachim's cadenzas thus create the impression that the composer of the concerto is revising and expanding his own work. I propose that he inhabits the genre of the cadenza as a site of compositional and performative virtuosity, fusing the two personas at a time when they were becoming increasingly polarized in European musical culture.

In an enticing article for the Neue Zeitschrift für Musik, Hans von Bülow suggested that Joseph Joachim would be well suited to achieve a reform of violin playing in the 1850s, which would effectively close the door behind Virtuosentum. The Golden Age of virtuosity had been on its way out for several years, impacting also violin performance. And yet, violin programming in the musical metropolises London and Paris was slow to adapt. As recent work on Joachim's virtuoso years has shown, his repertoire during the 1840s encompassed far more than German classics. It accommodated plenty of virtuoso music by H.W. Ernst, de Bériot, Ferdinand David, and Vieuxtemps, as well as his own substantial, virtuoso compositions, composed for his London tours in the 1840s. As this article argues, Joachim's programming did not change overnight: the shift from performing and composing virtuoso pieces to identifying himself with lofty and serious works happened gradually. One vehicle through which Joachim transformed the state of ‘violin playing’ of the 1840s was the violin romance. Joachim, who spent three months in Paris in early 1850, used the aesthetic of the romance to transform not only the state of violin playing but also the violin romance itself. Two simple romances he composed in 1850 were followed by a third romance in 1857. The third was, in effect, a Bravourstück in disguise, exhibiting none of the older virtuoso tricks such as flying bow strokes that had fallen out of favour. Rather, in Joachim's third romance, the conspicuous, ‘1840s’ virtuosity merged into ‘shape-oriented virtuosity’, a term used in a 1854 review of Joachim's playing. Many later nineteenth-century composers of violin romances from Bruch to Sibelius adopted Joachim's romance model, negotiating between melodic simplicity and violinistic demand, resulting in lyrical pieces in which virtuosity was an undercurrent, hidden but present.

This article discusses illusions of ‘three hands’ in the circle of Joachim and the Mendelssohns, arguing that manifestations of ‘three hands’ at play created an aesthetic both in dialogue with the Golden Age of Virtuosity, and going beyond it. Though techniques alluding to three hands or multiple performing bodies diminished sharply in popularity after 1830–50, violin and piano music from the later nineteenth and twentieth centuries remained highly virtuosic and often ‘unplayable’ in other ways. The difference between before and after the half-century mark is that later examples tended not to celebrate so overtly such special effects, because doing so would revive the no-longer-tenable principle of ‘virtuosity as a reward in itself’. Rather, double-stop harmonics, left-hand pizzicato, three-hand techniques and their related sleights of hand were largely escorted off the stage into a pedagogical realm. As this article shows, Joachim helped to exorcise the spectre of Paganini, and to sweep effectively out the door the residual confetti of the Golden Age of Virtuosity. Following in the footsteps of Mendelssohn, Joachim did so with Clara Schumann, viewing himself, Clara Schumann (and, we might add, Brahms) as a cohort of artists seeking to reverse the tawdry display of virtuosity. It was precisely Joachim's acute historicist perception, solidified during the 1850s, that allowed his musical aesthetics to turn so sharply from his openness to, tolerance and acceptance of dazzling violinistic tricks in the 1840s, to their absolute rejection in his later career.

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