Obsession is the fourth album of Blue System. Was published in 1990 by BMG Ariola and produced by Dieter Bohlen. The album contains 10 new tracks. Track listing "Love Is Such a Lonely Sword" (feat. Audrey Motaung) – 4:10 "When Sarah Smiles" – 3:41 "Behind the Silence" – 3:32 "2000 Miles" – 3:46 "Two Hearts Beat as One" – 3:48 "48 Hours" – 3:54 "I'm Not That Kind of Guy" – 3:27 "Try the Impossible" – 3:24 "Another Lonely Night" – 3:09 "I'm the Pilot of Your Love" – 3:21 Personnel Dieter Bohlen – lead vocals, producer, arranger, lyrics Rolf Köhler – refrain vocals, chorus falsetto Detlef Wiedeke – chorus falsetto Michael Scholz – chorus falsetto Luis Rodríguez – co-producer, engineering Charts External links Blue System albums 1990 albums Bertelsmann Music Group albums