# Beat time conversion

``

    bt  seconds (number)

Beat time representation. Scales the time to the current BPM. Useful for adding bpm scaling

Introduced in v2.8

## Example

# Example 1
``
    use_bpm 120
      puts bt(1)
      use_bpm 60
      puts bt(1)
      use_bpm 30
      puts bt(1)
| ``
    # Set the BPM to be double the default
    # 0.5
    # BPM is now default
    # 1
    # BPM is now half the default
    # 2