@jean Sorry, it was a bit obscure. There’s an expression, “un ‘tiens’ vaut mieux que deux ‘tu l’auras’”: one “here, take this” is worth more than two promises that you’ll have it in the future. Martial Solal, who wrote that tune, liked puns and wordplay and substituted “train” for “tiens”. I suppose puns don’t translate well, though.