 The album includes " <unk> Tú " , a duet with <unk> singer <unk> <unk> . Its instrumentation consists of piano , violin , guitars , drums and other percussion . Although <unk> stated that he " had the possibilities to record this song with very well known people " he expressed his happiness with <unk> , revealing that " the possibilities of doing it with her , for me , are a celebration " . He described <unk> as " incredibly talented " , a " <unk> " and a " fantastic human being " . <unk> named " <unk> Tú " as one of the most important songs on the album . " Mi <unk> Se Me <unk> <unk> <unk> " took two years to complete and <unk> dedicated it to his mother , <unk> <unk> . He stated that he wrote it " as a gift for my mom on Mother 's Day " and that he thought " the idea of including it on the album was very good " . As with his single " Señora De Las <unk> <unk> " ( on 1994 's <unk> ) , at first he never thought to include the song on an album . " <unk> " evokes " the image of some friends " <unk> had at college ; he asserted that he " appears constantly there because sometimes we transform ourselves into a contradiction of all those things we fought in those moments . It 's the history of a student leader that becomes a president " . <unk> dedicated the album to his father , who died in 2011 . 
