KMPlayer - Basic MPlayer/Xine/ffmpeg/ffserver frontend for KDE. - http://kmplayer.kde.org/
amaroK - A media player for KDE. - http://amarok.kde.org/
ktune - A KDE guitar tuning application. - http://sourceforge.net/projects/ktune
KSrnd - Surround control panel for KDE that provides a software interface for Linux that can be used to control the miroMEDIA Surround board. - http://www.gantz-edv.de/srnd/srnd_e.html#ksrnd
KStereo - A simple correlation meter based on KDE and /dev/dsp under Linux. - http://ftp.kde.com/Multimedia/Mixers_Volume/KStereo/
Hayes - A filesystem-based playlist for the music-player Noatun. Current release, history of the application, downloads. - http://www.hakubi.us/hayes/
kio_fish - A kioslave for KDE 2.0 that lets you view and manipulate your remote files using just a simple shell account and some standard unix commands on the remote machine. - http://www.garni.ch/fish/
KRadio - A radio application for KDE2. - http://kradio.sourceforge.net/
Mp3Kult - An MP3 organizer utilizing MySQL. It can read Mp3/Ogg Tag and song information, make playlists, play song with an external player and find a song in database. News, screenshots, download, requirements, installation, changelog. - http://apps.kde.com/fr/2/info/vid/3135?br=true
KCorrMeter - A correlation meter for an audio signal. Describes the application and shows screenshots. - http://home.arcor.de/mritscher/kapps/kcorr.html
KMp3Indexer - A tool to generate an index of all mp3 and OggVorbis files on a MP3-CD or in a directory. Documentation, Screenshots, Download. - http://kmp3indexer.sourceforge.net/kmp3indexer.php?lang=en&page=main
oKle - oKle is a KDE frontend to the Ogle DVD player. News, description, downloads and a mailing list. - http://okle.sourceforge.net/
KHdRecord - Record from audio directly to the harddrive in KDE. Usage, history and software download. - http://www.software.jodda.de/record.html
KDE-Radio - An application to control your video4linux compatible radiocard (e.g. Hauppauge WinTV/Radio) with a small KDE programm. It can be docked into the "kicker". - http://www.siski.de/~carsten/download-engl.html
Brahms - Brahms intends to be for Linux, what CuBase is for MacOS/Windows. - http://brahms.sourceforge.net/
Hounddog - A small KDE application that can be used as an instrument tuner or just in general to identify the pitch of an input signal. - http://hounddog.sourceforge.net/
Xgmod - A module player with an X interface for Linux. Uses the Qt library. - http://www.nyx.net/~arobinso/xgmod.html
OSS Mixer - An Linux (and some other unixes) audio mixer, based onOpen Sound System API. - http://computer.freepage.de/clanget/ossmixer.html
KCast / Trout MP3 Streamer - An audio streaming server and GUI playlist editor. - http://kcast.sourceforge.net/
kTuner - A full-featured KDE based radio card program, an extension of cRadio. - http://www.leg.uct.ac.za/cRadio/index2.html
KprefMP3 - An MP3 player front-end that sits in the kpanel playing your MP3 collection in a random order, but with ratings. - http://sourceforge.net/projects/kprefmp3/
Koog Epsilon - Koog Epsilon is dedicated toward providing a very friendly napster experience on KDE. - http://sourceforge.net/projects/koog/
NoteEdit - A music note editor for KDE under Linux, complete with playing support and export capatibilities. - http://rnvs.informatik.tu-chemnitz.de/~jan/noteedit/noteedit.html
Knapster2 - A KDE2 clone of the Windows Napster MP3 music sharing client. - http://knapster.sourceforge.net/
knapster - A Linux KDE napster client clone. - http://sourceforge.net/projects/knapster
Cumulus Project - CUMULUS is a free (GPL) software synthesizer for LINUX. It implements the AGS (Asynchronous Grain Synthesis), provides a convenient GUI (Envelopes for all parameters), is realtime capable and has a MIDI-port to controllerboxes and keybaords (or sequencers - http://home.btconnect.com/Corebounce/
JukeboxManager - Allows you to manage a large collection of tracks on multiple (CD) volumes and provide a 'batch' oriented load mechanism for your jukebox device. - http://jukeboxmgr.sourceforge.net/
KDE DockControl for XMMS - A KDE 2 panel dock app to control the favourite Mp3 Player XMMS. - http://sourceforge.net/projects/kmms
MP3Organizer - A tool to organize your MP3-collection. - http://mp3organizer.sourceforge.net/
Kwave - A sound editor for KDE. - http://kwave.sourceforge.net/
KRecord - A KDE sound recorder. - http://bytesex.org/krecord.html
Kfilter - A tool to design acoustic loudspeakers in the theoretical way. - http://kfilter.sourceforge.net/
Krio - A graphical interface to your Diamond Rio. - http://krio.sourceforge.net/
aRts - Analog realtime synthesizer. - http://www.arts-project.org/