sp–1 · practice player for iphone

loop a riff.slow it down.

for musicians who learn by ear.
the bar you're stuck on, slower, same key, again.

coming soon to the app store

The Spole player: a loop between a and b on the waveform, tempo at 50 % with the pitch kept
sp–1 · for players

made for musicians.

every player has a bar they can't play yet. the run in the solo, the fill before the chorus, the line the bass player makes look easy.

spole is where you stay with it. loop it, slow it down, keep the key, and play it again until your hands know it.

A saxophone player with eyes closed, mid phrase
sax · the line at 70 %
A drummer in motion blur, sticks over the cymbals
drums · the fill, bar by bar
A guitarist bent over the neck in warm stage light
guitar · the riff, looped
A player in the dark between streaks of stage light
late · one more pass
A band on a small stage, singer and guitarist in warm light
then · play it with the band

slow is where it starts. full speed is where you're going.

every part. your pace.

The solo you're stuck on, slowed down
Slow it down, keep the key
Jam with a band that waits for you
Up the bass, learn the groove
Keep the drums, lose the rest
Solo guitar or keys, mute the rest
Accents on 2 and 4
Record your take, practice

one app on the music stand.
learn it, get it up to speed, play along, tune, keep it.

01

learn it by ear

Spole: loop the bar.

loop the bar.

set a and b on the waveform.
the loop has no gap and no click.

Spole: keep the hard parts.

keep the hard parts.

save a loop with its own speed and pitch.
pick up tomorrow where you stopped.

also · tap a and b by ear · zoom into a fast run · lesson videos follow the loop · voice memos and files you own

02

get it up to speed

Spole: from 50 % back to 100 %.

from 50 % back to 100 %.

the tempo rises a step
each time the loop comes round.

Spole: keep time.

keep time.

tap tempo, 2 to 7 beats, accents on any beat.
quiet clicks on the ands.

also · practise above tempo up to 130 % · count in before you play

03

play along

Spole: a band that waits.

a band that waits.

14 grooves in funk, rock and prog.
each with a key and a tempo.

Spole: mute the bass. play it yourself.

mute the bass. play it yourself.

drums, bass and the rest on their own pads.
take out your part.

Spole: set the mix.

set the mix.

a level for every part.
hold a pad, or open the mixer.

also · slow the groove while you learn it · move it into your key · bring your own backing tracks

04

tune it

Spole: your key.

your key.

move a record up or down twelve semitones.
the tempo stays where you left it.

Spole: to the cent.

to the cent.

old records drift off a 440.
fine tune ±50 cents to meet them.

Spole: tune to the record.

tune to the record.

the tuner hears your instrument
against a 440 or the track's own a.

also · a reference tone · any instrument that plays one note at a time

05

keep it

Spole: record your take.

record your take.

count in, record, loop it.
your take is a recording like any other.

Spole: remember what clicked.

remember what clicked.

a practice log, day by day.
each entry keeps the loop and speed it came from.

also · your take loops and slows like any recording · audio stays on your phone

sideways. more bars.

The Spole player in landscape: a wide waveform with the stem pads and the a, b, loop and play keys below it
turn the phone on the stand · the same keys, a wider lane
tempo25–130 %, pitch kept
pitch±12 st
fine tune±50 cents
loopgapless a–b
stemsdrums · bass · other
jam tracks14 · funk · rock · prog
metronome30–300 bpm
count-in2–7 beats
sourcesfiles · photos · share
privacyon device · no account

three recordings free.
then one unlock.

everything open from the first recording · price in your currency on the app store

coming soon to the app store

questions.

Which files work?

Audio you own: MP3, M4A, WAV, AIFF and FLAC from Files, voice memos through the share sheet, and videos from Photos or Files. Spole takes the sound out of a video on your phone.

Can it slow down Apple Music or Spotify?

No. Those songs are protected, so no app can slow them down. Use a file you own or have permission to use.

Does the key change when I slow down?

No. Speed and pitch are separate. Change the key on purpose in semitones, or fine tune in cents.

Can it split my own songs into stems?

Not yet. Stems come with the 14 jam tracks: drums, bass and the rest on their own pads. Your own recordings play as one mix.

Can I record over a jam track?

Not yet. The recorder pauses playback while it records. Play the groove from another speaker for now.

Does anything leave my phone?

No. There is no account, and your audio is played and processed on your iPhone. It works offline.

Which instruments is it for?

Any instrument and voice. Guitar, bass, keys, drums, horns, strings and singers use it the same way: loop the bar, slow it down, play it back up to speed.

Can I use it sideways on a music stand?

Yes. Turn the phone and the player gets a wider waveform with the pads beside it.

iPad or Mac?

iPhone only for now.

What does it cost?

Three recordings are free with everything open. After that, one unlock opens every recording, loop and tool. The App Store shows the price in your currency.

What does spole mean?

Spole is Norwegian for reel. Å spole tilbake means to rewind.