The eighth-note root line and the pocket's rest

Yesterday you landed a single root right at the instant the kick dropped. Today you extend that feel across a whole measure to build this week's real backbone, the eighth-note root line. An eighth root line rolls the root as even eighth notes over one chord — the most basic and most dependable bass, holding up the foundation of countless rock and pop classics.

The key is that the eight notes are even, as if measured with a ruler. Rush or drag even one and the groove creaks. So today you use just the open E, and focus only on rolling all eight attacks perfectly evenly instead. The left hand stays fretted as is, while the right-hand two fingers alternate index-middle in a steady roll — this alternation is the key to evenness.

But packing eighths solid from start to finish feels stuffy. So you add one rest (a space) in the middle. Empty the eighth after beat 2 (the "&") in each measure to give it a little breath. Here's the important rule — the hand never stops; only that spot is emptied of sound. The right hand keeps moving in eighths, but on that one attack you lightly rest the string so it makes no sound. This tiny blank makes a groove (a pocket) in the line.

This line too is identical in fingering on a 4- or 5-string. The open E needs only the 4th string, and on a 5-string you cover the low B (5th string) with your thumb to keep it asleep. Today, rather than speed, just leave two things in your hand: the evenness of the eighths and the position of the rest.

Today you learn the eighth root line in two stages. First fill in even eighths with no rest to even out your hand, then empty the eighth after beat 2 to build a pocket. Each example is laid out in both a 4-string and a 5-string version.

Example 1 — even eighth roots. Play the open E eight times with no rest, spacing perfectly even. Listen for any note that rushes.

▶ BPM 70, 4-string. Eight blue open E's, even as if measured with a ruler. Alternate the two fingers, index-middle, steadily.

▶ BPM 70, 5-string. The fingering is identical to the 4-string. Cover the low B with your thumb to keep it asleep.

Example 2 — pocket eighth roots. This time empty the eighth after beat 2 (the "&"). On that spot don't stop the right hand — just lightly rest the string and make no sound.

▶ BPM 70, 4-string. On the blank (the "&" of beat 2) the hand keeps moving but makes no sound. That little breath builds the pocket.

▶ BPM 70, 5-string. The notes and positions are identical to the 4-string. Even as it speeds up, keep the low B covered with your thumb so it doesn't leak.

0–7 min · Warm-up Loosen up yesterday's landing the root on the kick at BPM 70. Warm your hand while checking that the note drops exactly on the on-beat.

7–17 min · Today's skill Repeat Example 1 (even eighths) at BPM 70. Refine only the two-finger alternation until the eight notes are perfectly even.

17–27 min · Applying it Play Example 2 (pocket eighths) four times at BPM 70. Check that no sound comes on the blank and that the hand never stops. If it wobbles, go back to Example 1.

27–30 min · Check Write down the BPM you reached, and record 30 seconds to hear whether the eighths are even and the rest stays alive.

Done when: you can roll the eighth-note root line over one chord (E), keeping the rest after beat 2 alive, evenly at 65–75 on both a 4- and 5-string.

• Actually stopping on the blank. Stop even your hand on the rest and the next note comes late. Empty only the sound and keep stirring the right hand in eighths.
• Bumpy eighths. If the index and middle differ in strength, the notes come out uneven. Match the two fingers to the same size as you roll.
• Cranking up speed first. Go fast while it's uneven at 70 and the rest vanishes. Evenness first, speed later.
• Getting careless with the low B (5-string). The faster the eighths, the easier the B rings along. Keep it covered with your thumb, low end asleep.