Separate rhythmic trouble from a missed location
Both scale scores use eight quarter notes in two bars of 4/4. Every written note therefore receives the same duration. The black key does not receive extra time, and neither does a thumb crossing. The gaps between printed noteheads are not measurements of the time you should leave between attacks. Count the quarter beats while reading their durations. A wide-looking space near a bar line does not authorize a pause before the next note.
Use the F-major score to distinguish two common errors. If B-flat arrives on beat 4 but the finger lands on B-natural, the rhythm can be correct while the pitch is wrong. Find the black key without counting, then reconnect A4 to B-flat4. If B-flat is correct but C5 arrives late after the bar line, finding B-flat again does not address the delay. Practice the movement into C5 without the rest of the scale, then restore equal quarter-note attacks. The correction should preserve what already worked.
A third case is an unwanted accent on C5 after the crossing. That is not necessarily a duration error. Listen for whether C5 begins late or merely sounds more prominent. On an instrument with touch response, those outcomes require different attention. A stronger attack can occur on time. On an instrument without usable touch response, focus on the written rhythm and key route rather than trying to produce a dynamic distinction the settings do not support. Do not infer a technique diagnosis from the browser's equal synthesized scale tones.
Use the two bar boundaries to check whether you are following the fingering or merely reacting to the line on the page. In G major the boundary is C5 with thumb 1 followed by D5 with finger 2. The crossing has already happened on the preceding B4-to-C5 move. In F major the boundary itself is B-flat4 with finger 4 followed by C5 with thumb 1. Count 3, 4, 1, 2 around each join, keeping the four attacks equally spaced. If both boundaries receive the same hesitation, the bar line may be interrupting your count. If only the F-major boundary does, inspect its specific 4-to-1 route before changing the timing elsewhere.
Transfer scale positions without copying physical distances
A scale position counts from the key's first note, called the tonic. In G major, G is position 1, A is 2, and B is 3. Continuing gives C as 4, D as 5, E as 6, and F-sharp as 7. This numbering describes musical relationships, not fingers. Scale position 4 in the written G-major ascent uses finger 1. The two number systems answer different questions, so do not replace a printed finger with a scale-position number.
Consider a short C-major idea using positions 2, 3, 4, 3. Its pitches are D, E, F, E. To transfer the same idea to G major, start counting at G, not at the C nearest your hand. Position 2 is A, position 3 is B, and position 4 is C. The result is A, B, C, B. The whole step followed by the half step remains in the same part of the phrase. Moving every note the same number of white keys without checking the new scale would not be a reliable general method.
Try a different route that reaches the signature note. Positions 5, 6, 7, 1 above the tonic produce G, A, B, C in C major. In G major they produce D, E, F-sharp, G. In F major they produce C, D, E, F. The printed G-major second bar already contains one of these routes. Its F-sharp is required by position 7 in that key. The corresponding F-major route needs no black key, although F major as a complete scale still contains B-flat elsewhere.
Choose four equal quarter notes for this comparison and keep that rhythm unchanged. Find each version without the player first, then compare the G-major version with bar 2 of its score. This tests whether the pattern of scale positions survives a change of starting note. It does not require learning every major key now. Keep G and F distinct by stating their altered note before starting. When a transferred phrase goes wrong, identify its scale position and the intended letter before reaching for another nearby key.