instruction:
In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
question:
Abbado has conducted a lot of Romantic music , especially the symphonies of Gustav Mahler .
answer:
Amongst a wide range of Romantic works which he recorded and performed , Abbado had a particular affinity with the music of Gustav Mahler , whose symphonies he recorded several times .


question:
J1 League is the top grouping of the Japan Professional Football League ( 日本フ ゚ ロサッカーリーク ゙ , Nippon Puro Sakka ̄ Ri ̄ gu ) .
answer:
The J1 League ( Japanese : J1リーク ゙ , Hepburn : J1 Ri ̄ gu ) or simply J1 is the top division of the Japan Professional Football League ( Japanese : 日本フ ゚ ロサッカーリーク ゙ , Hepburn : Nihon Puro Sakka ̄ Ri ̄ gu ) and the top professional association football J.League in Japan .


question:
Many grevilleas interbreed freely , and some specially picked hybrids have been grown for sale .
answer:

Many grevilleas have a propensity to interbreed freely , and extensive hybridisation and selection of horticulturally desirable attributes has led to the commercial release of many named cultivars .