Keys: Organ, Piano, Percussion 对比 Additive Drum Machine 的使用情况和统计数据

*Note: Keys: Organ, Piano, Percussion is functionally the same as Organ app. However, it is intended for schools and businesses who use Apple School Manager or Apple Business Manager as those tools do not support in-app purchases and require a paid-up-front model. To try Keys: Organ, Piano, Percussiong for free, download Organ app instead.* Keys: Organ, Piano, Percussion is full 88 keys virtual musical keyboard designed specifically for the iPad & iPhone. Play 91 musical instruments, such as: Organ: Organ, Pipe Organ, Tonewheel Organ, Rock Organ, Reed Organ, Accordion, Harmonica, Bandoneon Piano: Grand Piano, Stereo Grand, Bright Grand, Electric Grand, Honky-Tonk, Tine Electric Piano, FM Electric Piano, Harpsichord, Clavinet Chromatic Percussion: Celeste, Glockenspiel, MusicBox, Vibraphone, Marimba, Xylophone, Tubular Bells, Dulcimer Guitar: Nylon Guitar, Steel Guitar, Jazz Guitar, Clean Guitar, Muted Guitar, Overdrive Guitar, Distortion Guitar Bass: Acoustic Bass, Finger Bass, Pick Bass, Fretless Bass, Slap Bass 1, Slap Bass 2, Synth Bass 1, Synth Bass 2 Strings: Violin, Viola, Cello, Double Bass, Strings Tremolo, Pizzicato Strings, Orchestral Harp, Timpani Brass: Trumpet, Trombone, Tuba, Muted Trumpet, French Horns, Brass Section, Synth Brass, Synth Brass 2 Reed: Soprano Saxophone, Alto Saxophone, Tenor Saxophone, Baritone Saxophone, Oboe, English Horn, Bassoon, Clarinet Pipe: Piccolo, Flute, Recorder, Pan Flute, Bottle Blow, Shakuhachi, Irish Tin Whistle, Ocarina Synth Lead: 1970s Electro Synth, Electro Synth, Square Synth, Saw Synth, Synth Calliope, Square Synth 2, Chiffer Lead, Charang, SoloVox, 5thSawWave, Bass Lead Ethnic: Sitar, Banjo, Shamisen, Koto, Kalimba, Bagpipes, Fiddle, Shenai Features: • 91 instruments • Key labels (C-D-E, do-re-mi, до-ре-ми, ハ-ニ-ホ, 도-레-미, 1-2-3) • Basic Support external midi-keyboards (iPad) • Duet mode • Optional double keyboard • 88 keys • Universal app for the iPhone and iPad