ERROR: Unable to execute query

SELECT `video_id`,`video_user_id`,`video_title`,`video_seo_name`,`video_length`,`video_view_number`,`video_com_num`,`video_thumb_server_id`, `video_folder`, MATCH (`video_title`) AGAINST ('5 Tone Scale (Tenor) c3-c5 Here you can practice your voice. Great for humming, doing lip rolls, lip trills, practicing your vowels, and good for vocal warmup and range as well! :) \r\n\r\nThis is a 5 tone scale for tenors. But anybody is welcome to this. Just start and end at you\'re comfortable pitch. It\'s similar to solfedge do, re, mi, fa, sol and it goes down. \r\n\r\nStarting note: C3 (c below middle c)\r\nHighest note: C5 (c above middle c, male high c)\r\nlowest note: A2 (some tenors can go all the way down low, it\'s a challenge)\r\n\r\nDon\'t strain your self, everything should be free!! Tone scale tenor practice vocals warm ups singing success eric arcenaux' IN BOOLEAN MODE) AS `relevance`
                FROM `videos` WHERE
                MATCH (`video_title`) AGAINST ('5 Tone Scale (Tenor) c3-c5 Here you can practice your voice. Great for humming, doing lip rolls, lip trills, practicing your vowels, and good for vocal warmup and range as well! :) \r\n\r\nThis is a 5 tone scale for tenors. But anybody is welcome to this. Just start and end at you\'re comfortable pitch. It\'s similar to solfedge do, re, mi, fa, sol and it goes down. \r\n\r\nStarting note: C3 (c below middle c)\r\nHighest note: C5 (c above middle c, male high c)\r\nlowest note: A2 (some tenors can go all the way down low, it\'s a challenge)\r\n\r\nDon\'t strain your self, everything should be free!! Tone scale tenor practice vocals warm ups singing success eric arcenaux' IN BOOLEAN MODE) AND
               `video_type`='public' AND
               `video_active`='1' AND
               `video_approve`='1'
                ORDER BY `relevance` DESC
                LIMIT 10

syntax error, unexpected ')', expecting $end