Zand's 'Ingenious Clocks,' which the Houston Symphony debuts this weekend, salutes little-known 12th-century scholar ...

Tick, tock, goes the clock' What time is it? Let’s ask the clock. What time is it? It says ‘tick, tock’. What time is it? Let’s find out, What it’s all about. Tick, tock, goes the clock!

What time is it? Let’s ask the clock. What time is it? It says ‘tick-tock’. What time is it? Let’s find out What it’s all about. Tick-tock goes the clock, Tick-tock goes the clock.