Question: Who owns the two adjacent buildings at which the APRA Music Awards of 2013 were held?

Context paragraphs:
APRA Music Awards of 2007: The Australasian Performing Right Association Awards of 2007 (generally known as APRA Awards) are a series of awards which include the APRA Music Awards, Classical Music Awards, and Screen Music Awards.  The APRA Music Awards ceremony occurred on 16 June at the Sydney Hilton, they were presented by APRA and the Australasian Mechanical Copyright Owners Society (AMCOS).  The Classical Music Awards were distributed in July in Sydney and are sponsored by APRA and the Australian Music Centre (AMC).  The Screen Music Awards were issued in November by APRA and Australian Guild of Screen Composers (AGSC).

APRA Music Awards of 2012: The Australasian Performing Right Association Awards of 2012 (generally known as APRA Awards) are a series of related awards which include the APRA Music Awards, Art Music Awards, and Screen Music Awards.  The APRA Music Awards of 2012 was the 30th annual ceremony by the Australasian Performing Right Association (APRA) and the Australasian Mechanical Copyright Owners Society (AMCOS) to award outstanding achievements in contemporary songwriting, composing and publishing.  The ceremony was held on 28 May 2012 at the Sydney Convention and Exhibition Centre.  The Art Music Awards were introduced in 2011 to replace the Classical Music Awards (last held in 2009) and were distributed on 3 April at the Sydney Opera House.  They are sponsored by APRA and the Australian Music Centre (AMC) to "recognise achievement in the composition, performance, education and presentation of Australian music".  The Screen Music Awards were issued on 19 November by APRA and Australian Guild of Screen Composers (AGSC), which "acknowledges excellence and innovation in the genre of screen composition".

Melbourne Convention and Exhibition Centre: The Melbourne Convention and Exhibition Centre is the name given to two adjacent buildings next to the Yarra River in South Wharf, an inner-city suburb of Melbourne, Victoria, Australia.  The venues are owned and operated by the Melbourne Convention and Exhibition Trust.

APRA Music Awards of 2004: The Australasian Performing Right Association Awards of 2004 (generally known as APRA Awards) are a series of awards which include the APRA Music Awards, Classical Music Awards, and Screen Music Awards.  The APRA Music Awards ceremony occurred on 24 May at Melbourne's Regent Theatre, they were presented by APRA and the Australasian Mechanical Copyright Owners Society (AMCOS).  The Classical Music Awards were distributed in July in Sydney and are sponsored by APRA and the Australian Music Centre (AMC).  The Screen Music Awards were issued in November by APRA and Australian Guild of Screen Composers (AGSC).

APRA Music Awards of 2005: The Australasian Performing Right Association Awards of 2005 (generally known as APRA Awards) are a series of awards which include the APRA Music Awards, Classical Music Awards, and Screen Music Awards.  The APRA Music Awards ceremony occurred on 30 May at the Sydney Four Seasons Hotel, they were presented by APRA and the Australasian Mechanical Copyright Owners Society (AMCOS).  The Classical Music Awards were distributed in July in Sydney and are sponsored by APRA and the Australian Music Centre (AMC).  The Screen Music Awards were issued in November by APRA and Australian Guild of Screen Composers (AGSC).

APRA Music Awards of 2006: The Australasian Performing Right Association Awards of 2006 (generally known as APRA Awards) are a series of awards which include the APRA Music Awards, Classical Music Awards, and Screen Music Awards.  The APRA Music Awards ceremony occurred on 5 June at the Sydney Four Seasons Hotel, they were presented by APRA and the Australasian Mechanical Copyright Owners Society (AMCOS).  APRA introduced two new award categories, 'Most Performed Blues & Roots Work' and 'Most Performed Urban Work'.  The Classical Music Awards were distributed in July in Sydney and are sponsored by APRA and the Australian Music Centre (AMC).  The Screen Music Awards were issued in November by APRA and Australian Guild of Screen Composers (AGSC).

APRA Music Awards of 2011: The Australasian Performing Right Association Awards of 2011 (generally known as APRA Awards) are a series of related awards which include the APRA Music Awards, Art Music Awards, and Screen Music Awards.  The APRA Music Awards of 2011 was the 29th annual ceremony by the Australasian Performing Right Association (APRA) and the Australasian Mechanical Copyright Owners Society (AMCOS) to award outstanding achievements in contemporary songwriting, composing and publishing.  The ceremony was held on 21 June 2011 at CarriageWorks in Sydney, Australia.  The Art Music Awards were introduced in 2011 to replace the Classical Music Awards (last held in 2009) and were distributed on 3 May.  They are sponsored by APRA and the Australian Music Centre (AMC) to "recognise achievement in the composition, performance, education and presentation of Australian music".  The Screen Music Awards were issued on 14 November by APRA and Australian Guild of Screen Composers (AGSC) at the City Recital Hall, Sydney which "acknowledges excellence and innovation in the genre of screen composition".

APRA Music Awards of 2008: The Australasian Performing Right Association Awards of 2008 (generally known as APRA Awards) are a series of awards which include the APRA Music Awards, Classical Music Awards, and Screen Music Awards.  The APRA Music Awards ceremony occurred on 16 June at the Sydney Hilton, they were presented by APRA and the Australasian Mechanical Copyright Owners Society (AMCOS).  The Classical Music Awards were distributed in July in Sydney and are sponsored by APRA and the Australian Music Centre (AMC).  The Screen Music Awards were issued in November by APRA and Australian Guild of Screen Composers (AGSC).

APRA Music Awards of 2013: The Australasian Performing Right Association Awards of 2013 (generally known as APRA Awards) are a series of related awards which include the APRA Music Awards, Art Music Awards, and Screen Music Awards.  The APRA Music Awards of 2013 was the 31st annual ceremony by the Australasian Performing Right Association (APRA) and the Australasian Mechanical Copyright Owners Society (AMCOS) to award outstanding achievements in contemporary songwriting, composing and publishing.  The ceremony was held on 17 June 2013 at the Melbourne Convention and Exhibition Centre.

APRA Music Awards of 2010: The Australasian Performing Right Association Awards of 2010 (generally known as APRA Music Awards) was the 28th annual ceremony by the Australasian Performing Right Association (APRA) to award outstanding achievements in contemporary songwriting, composing and publishing.  They are a series of awards which include the APRA Music Awards and Screen Music Awards.  The APRA Music Awards ceremony was held on 21 June at the Sydney Convention Centre, they were presented by APRA and the Australasian Mechanical Copyright Owners Society (AMCOS) and included the new category, 'Rock Work of the Year'.  A total of 12 awards were presented.  The Screen Music Awards were issued on 9 November by APRA and Australian Guild of Screen Composers (AGSC).  The 2010 Classical Music Awards were suspended and were replaced by the Art Music Awards from 2011 held in May that year.  They included jazz categories.  Art Music Awards are sponsored by APRA and the Australian Music Centre (AMC).

Supporting paragraphs: APRA Music Awards of 2013 Melbourne Convention and Exhibition Centre
Answer: Melbourne Convention and Exhibition Trust