What format do I need to send my music files?

Know and prepare your music to your best ability. These guidelines will help you make the most of your sessions.

Note: When you start a new piece of music or book a new session musician, you must submit your prep material at least 24 hours before an upcoming session. Failing to do this will result in the cancellation of your session. Read more about this here.

1. Know your music.

Before booking harmonic instruments (guitar/keys):
If you plan on adding vocals to your song, be sure that your piece is in the correct key for our singers (check their profiles for their vocal ranges below).
Before booking the drummer:
Be sure that you have a backing track in the desired BPM and in the correct form (a backing track without drums).
We advise for the following order when producing a song with musiversal:
  • Know the correct BPM / form / key of the song;
  • Record a backing track in the correct BPM / form / key (preferable to have vocals/instruments separate for this backing track);
  • Book the instruments in this order:
         1.  Drums
          2. Bass
          3. Harmonic instruments (guitar/keys)
          4. Melodic instruments (sax/violin/cello)
          5. Vocals
If you need help producing the necessary material for booking a session, you should book our music producer before booking any of the musicians. Contact us at support@musiversal.com if needed.

2. Prepare your music.

Consider the following aspects in preparation for your session:

  • Do not send a DAW file;
  • Upload separate stems of your previously recorded material, making sure that they are in the correct BPM and form. Do not send more than 3 stems (E.g.: Vocals only; Harmony only; Percussion only)
  • In case of recording with our cellist Joe Zeitlin, upload a single stereo bounce of your previously recorded material;
  • We accept WAV, AIFF, or MP3 files;
  • All files must be of the same duration, sample rate and bit depth;
  • All files, backing track and score/parts should start from bar 0 (one empty bar). Please ensure each bar in the score corresponds to each bar in the backing track;
  • If you have a midi arrangement, be sure to send it in .mid format as well as its extracted audio;
  • Provide Click and Midi Tempo Map if there are multiple tempi;
  • IMPORTANT - If you want the musician to improvise, it’s mandatory to provide the music’s written harmony (with chord names). That could be through sheet music (e.g, a score or lead sheet) or just a chords chart;

For cello recordings, the following is mandatory:

  • Cello part (use Bass Clef until note A3, and Treble or Tenor Clefs for notes above A3. Please put all notes on 1 staff). Example:

    Cello scoreIf you need a transcriber to prepare your score, contact us at support@musiversal.com;
    Check this article about scoring.
  • Backing track without cello. A single stereo bounce of your previously recorded material;
  • Click or midi tempo map if there are multiple tempi;
  • Export your audio starting at the correct beat, to ensure that the click track will match the desired BPM;

For all vocal recordings, consider the following:

  • musiversal reserves the right to decline bookings for pieces of music that are outside the singer’s range and/or that are in a language not included below;
  • These are not songwriting sessions. Please provide sheet music or scratch vocals or midi line so that the singer can learn the melody;

For Marta Garret's vocal recording, consider the following:

  • Vocal range - Chest voice E3 to B4 / Head voice C5 to A5;
  • Languages - Marta can sing vocals in any of these 5 languages: Portuguese, Italian, French, Catalan, Spanish and English;

For Ruth Royall's vocal recording, consider the following:

  • Vocal range - C3 to A5;
  • Ruth may not be named in any publicly released song title, i.e. "Song name feat. Ruth Royall", unless you have the explicit permission from her record label. Ruth may be credited as a musiversal session musician as usual.
For Tee Webb's vocal recording, consider the following:
  • Vocal range - B2 - E5;
  • Languages - Tee can sing vocals in English;


If your song or piece is not typical in style, has complicated tempo/meter changes, has a lot of detailed and intricate written parts and/or is longer than 5 minutes in duration, we’d ask you to understand that you’ll most likely not be able to record it in just one half-hour session (so you should probably book more than one session for that song) and also to try to send the materials to the musicians with much more notice than usual (more than 2 days would be strongly recommended). We’d also recommend adding tempo maps and audio mock-ups of what you’re looking to be recorded, as this will be of very useful assistance to the musicians' preparation work.

Be kind and understanding towards our musicians. In spite of being world-class performers, they’re just regular human beings like you and me: they need time and conditions to prepare properly and, because of their level of excellence and perfectionism, they’ll not be satisfied with trying to record something for you that doesn’t match their own personal standards. This is their art and their craft, to which they have dedicated dozens of thousands of hours of their lives, and they don’t want to put out anything less than something that is a true expression of their mastery. So just remember that they’re not robots and certainly not miracle workers. But if you put in the time to provide them with the materials they need, they’ll provide you with some of the best recordings you’ve ever heard. Symbiosis at its best. Or, as someone once said: “If you take care of the music, the music will take care of you”.

Enjoy your session 🧡🎵