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.
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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: The Open Database License ( ODbL ) is a copyright license for sharing database contents .

Answer: The Open Database License ( ODbL ) is a copyleft ( " share alike " ) license agreement intended to allow users to freely share , modify , and use a database while maintaining this same freedom for others .

Question: It is usually painted on both sides of the aircraft , most often in the tail area , although in some cases the serial is painted on the side of the aircraft 's fin / rudder ( s ) .

Answer:
In air forces , the serial number is used to uniquely identify individual aircraft and is usually painted on both sides of the aircraft fuselage , most often in the tail area , although in some cases the serial is painted on the side of the aircraft 's fin / rudder ( s ) .