Abstract. As the use of digital music is getting popular, there is an increasing demand for efficient retrieval of music. To do that, an effective music indexing and natural way of querying a music should be incorporated. This paper describes the FMF system1 that designed to retrieve tunes from a database on the basis of a few notes which are drawn into a musical sheet applet or sung into a microphone. FMF system accepts both acoustic and visual input from the user, transcribes all the acoustic and common music notational inputs into specific strings such as UDR and LSR. Then, It searches an index for tunes that contain the sung pattern, or patterns similar to it. We implemented a web-based retrieval system and report on its performance through various experiments.