FL Studio by Finaritra is a apps java.You can edit mid file. You can create file with instruments:п»їDrumsAcoustic grandBright acousticElectric grandHonky-tonkElectric piano 1Electric piano 2HarpsichordClavCelestaGlockenspielMusic boxVibraphoneMarimbaXylophoneTubular bel ulcimerDrawbar organPercussive organRock organChurch organReed organAccoridanHarmonicaTango accordianAcoustic guitar(nylon)Acoustic guitar(steel)Electric guitar(jazz)Electric guitar(clean)Electric guitar(muted)Overdriven guitarDistortion guitarGuitar harmonicsAcoustic bassElectric bass(finger)Electric bass(pick)Fretless bassSlap bass 1Slap bass 2Synth bass 1Synth bass 2ViolinViolaCelloContrabassTremolo stringsPizzicato stringsOrchestral stringsTimpaniString ensemble 1String ensemble 2Synthstrings 1Synthstrings 2Choir aahsVoice oohsSynth voiceOrchestra hitTrumpetTromboneTubaMuted trumpetFrench hornBrass sectionSynthbrass 1Synthbrass 2Soprano saxAlto saxTenor saxBaritone saxOboeEnglish hornBassoonClarinetPiccoloFluteRecorderPan fluteBlown bottleSkakuhachiWhistleOcarinaLead 1 (square)Lead 2 (sawtooth)Lead 3 (calliope)Lead 4 (chiff)Lead 5 (charang)Lead 6 (voice)Lead 7 (fifths)Lead 8 (bass+lead)Pad 1 (new age)Pad 2 (warm)Pad 3 (polysynth)Pad 4 (choir)Pad 5 (bowed)Pad 6 (metallic)Pad 7 (halo)Pad 8 (sweep)Fx 1 (rain)Fx 2 (soundtrack)Fx 3 (crystal)Fx 4 (atmosphere)Fx 5 (brightness)Fx 6 (goblins)Fx 7 (echoes)Fx 8 (sci-fi)SitarBanjoShamisenKotoKalimbaBagpipeFiddleShanaiTinkle bellAgogoSteel drumsWoodblockTaiko drumMelodic tomSynth drumReverse cymbalGuitar fret noiseBreath noiseSeashoreBird tweetTelephone ringHelicopterApplauseGunshotPianoChromatic percussionOrganGuitarBassStrings & orchestral instrumentsEnsembleBrassReedPipeSynth lead