Joe Lovano, Alexey León	Perico Sambeat, Alexey León
Sedajazz Big Band	Carlos Sarduy Trio & Alexey León,
Pepe Rivero, Alexey León, Marc Miralta, Reinier Elizarde	Alex Conde, Alexey Leon, Abel Sanabria, Mariano Steimberg, Ivan Cebrian
Alexey Leon & Rodney Barretto	Carlos Sarduy & Alexey León
Carlos Sarduy Quintet	Perico Sambeat Big Band, "Voces"
Ariel Bringuez, Román Filiú, Alexey León	Alexey León, Iván Cebrian, Voro García
Alberto Palau, Voro García, Mariano Steimberg, Aless Cessarini	Cuban Connection
Carlos Sarduy, Dany Noel, Alexey León, Marc Miralta	Perico Sambeat, Alexey León, John McLaughlin
The Matthew Herbert Big Band	Alexey León, Raul Aldama
Perico Sambeat, Alexey Léon	Yoel Páez, Alexey León
Influenciado	Academic Big Band with McCoy Tyner
Dave Liebman, Alexey León	Christian McBride
Chucho Valdés, Alexey León	Lee Konitz, Alexey León
Eddie Gomez	Perico Sambeat, Alex Sipiagin, Alexey León
Miguel Zenon, Alexey León	Placido Domingo,PiotrOrzhechows
Danilo Perez & BGJ	Danilo Perez & BGJ
Alain Perez Quartet	Horacio Hernandez and friends
Voro Garcia, Toni Belenguer	Perico Sambeat Big Band
Sedajazz Big Band and Jack Walrath,	Perico Sambeat & Alexey León
Recording Session at Berklee	Guarachando en Moscú
Carlos Sarduy Quartet	Javier Masso, Alexey León
	Marco Pignataro, Matt Marvuglio
The Matthew Herbert Big Band	The Matthew Herbert All Russian Band
Academic Band Eurasia Fest