FeaturesTabla and tampuraFeaturing 16 patterns with five different sections, the PSR-I455 faithfully recreates the sound of the electronic Tabla and Tanpura, rivaling stand-alone machines in the process. Tempo, transpose and balance for Tanpura / Tabla can be freely controlled in real-time using the keyboard’s controller knobs.Even more content optimized for Indian music—Extensive voices and rhythm styles, not to mention 12 Indian arpeggiator patternsThe full lineup of 753 voices on the PSR-I455 features a total of 19 different Indian musical instruments, and of the 206 built-in styles, 23 provide automatic accompaniment perfect for Indian music. What’s more, the Arpeggio function also includes 12 uniquely Indian patterns.Add to this a diverse array of voices and styles from Mexican, Arabic, Brazilian, Chinese, and other genres, and it is easy to see why this portable keyboard is ideal for many different types of ethnic music from all over the world. Raga practice songsThe PSR-I455 also comes complete with ten different raga-mode practice songs* which will prove highly useful in instrument or voice training.*: Bilawal, Khamaaj, Bhairav, Kalyan, Asavari, Kalyani, Hamsadhvani, Mohanam, Hindolam, and SankarabharanamUSB TO DEVICE terminal makes it easy to store and recall dataWith a USB flash memory device plugged into the keyboard’s USB TO DEVICE terminal, you can easily save and load your own songs, as well as exchange data with a PC or another connected device.Song mode—Record as many as ten songs, each with up to six tracksThe PSR-I455 recorder supports a total of six tracks—five for melodies; one for styles and patterns. Combined, these tracks can be used to record approximately 19,000 notes (almost twice that of the previous PSR-I425 models). In addition, roughly ten songs of this size can be recorded and stored in the instrument.Ultra Wide Stereo and many other advanced Yamaha effects built-inThe PSR-I455 comes with a selection of powerful effects that other keyboards in its class simply cannot match. For dynamic control of the instrument’s overall sound, choose from nine types of reverb, chorus, harmony, and five different types of master EQ that can be used to sculpt the final output. What’s more, the instrument also comes with Ultra Wide Stereo—an acclaimed Yamaha audio effect that can be used to create a wider, more vibrant stereo mixes.Four pads with eight banks of Registration MemoryUsing Registration Memory, you can store up to 32 complete setups of your favorite PSR-I455 settings for easy recall whenever needed. In addition, a Freeze mode has been added for the Tabla and Tanpura. Specifically, this mode lets you retain Style or Tabla/Tanpura settings when you switch to a different Registration Memory.Song BookA song book containing the sheet music for the keyboard’s built-in songs can be downloaded free-of-charge (online user-registration required). The book also provides descriptions of how to play the song chords and other performance tips.*: Certain songs are not included in the song book.