by David R. Adler 　　Charlie Haden teams up once more with the young Cuban pianist 　　Gonzalo Rubalcaba 　　for this melancholy, soothing album. 　　Ignacio Berroa 　　, on drums and percussion, completes the core trio. Special guests include tenor saxophonists 　　Joe Lovano 　　and 　　David Sanchez 　　, violinist 　　Federico Britos Ruiz 　　, and guitarist 　　Pat Metheny 　　(one track only). 　　Rubalcaba 　　contributes orchestrations on two cuts, both of which omit drums and percussion. Haden´s intention is to explore the bolero, a distinctive Latin dance rhythm that 　　Ignacio Berroa 　　accents with a soft, subtle snare drum roll, played with brushes, beginning on the "and" of the first beat of the bar and ending on the second. This rhythm is perfect for a slow dance, and indeed, the entire album is highly romantic, with bittersweet melodi