2007
June 16, 23 & 24, The 13th Annual Performance, Fremont, CA
May 5, The 13th Annual Performance, Fremont, CA
April 12 - 15, Crystal Ensemble, San Antonio, TX
March 23 - 25, Crystal Little Singers, Anaheim,  CA
March 8 - 11, ACDA National Convention, Miami, FL
February 25, Spring Concert, Santa Clara, CA
February 1, Chanticleer Middle School Music Festival

2006
March 12, ACDA Western Division Convention, Salt Lake City, UT
March 10 - April 9, Crystal Little Singers, Anaheim Heritage Music Festival, Anaheim, CA
April 1, HNU Kodaly Festival, Oakland, CA
April 20 - 23, MENC National Convention, Salt Lake City, UT
May 13, 12th Choir Anniversary Celebration, Great America, Santa Clara
June 17 - 25, The 12th Annual Performances, San Mateo, Saratoga  and Fremont, CA
June 30 - July 9, Crystal Youth Choir "A Tribute to Taiwan" Concert Tour, Taiwan
October 15, Voice of America's Future, Grace Cathedral, San Francisco
December 15 - 23," 2006 American Celebration of Music", Italy

2005
March 13, 11th Choir Anniversary Celebration, Foster City, CA
March 18 - April 10, Crystal Little Singers, Anaheim Heritage Music Festival, Anaheim, CA
March 31 - April 2, Crystal North Singers and Crystal Ensemble, San Diego Heritage Music Festival, San Diego, CA
June 19 - 26, The 11th Annual Performances, San Mateo and Fremont, CA
July 3 - 11, Crystal Concert Choir attend Festival 500, St. John's, Newfoundland, Canada
October 16, Voice of America's Future, Grace Cathedral, San Francisco

2004
March 13, 10th Choir Anniversary Celebration Cupertino, CA
March 18, CMEA Sate Convention, Sacramento, CA
March 25, 30th National Convention of the Organization of American Kodaly Educations.  San Francisco, CA
March 26 - 28, Crystal North Singers, Anaheim Heritage Music Festival, Anaheim, CA
April 2 -4, Crystal Little Singers, Anaheim Heritage Music Festival, Anaheim, CA
June 22 - July 1, Crystal Concert Choir, Australia Music Festival, Sydney, Australia
June 30 - July 4, Crystal Ensemble, Heart of the Valley Children's Festival, Corvallis, OR
July 11, Crystal Appreciation Concert, Davies Symphony Hall, San Francisco, CA
July 17 - 18, The 10th Annual Performance, Santa Clara and Fremont, CA
December 24 - January 2, 2004 Taiwan Music Invitational, Taiwan

2003
February 2, "East Meet West", San Francisco Davies Symphony Hall, San Francisco, CA
March 1, "A World Music Adventure", joint concert with Ragazzi Boys Chorus and Tucson Arizona Boys Chorus, Messiah Lutheran Church, Redwood City, CA
March 16, the 9th Choir Anniversary, San Jose, CA
March 21 - 23, Anaheim Heritage Music Festival, Anaheim, CA
April 23 - 27, Heritage Children's Choir Festival, Honolulu, Hawaii
July 13 - 20,The 9th Annual Performance, San Mateo, Santa Clara and Fremont, CA
October 19,  Voices of America's Future, Grace Cathedral, San Francisco, CA
October 24, Chanticleer Youth Choral Festival
December 7, Arts and Craft Festival/Christmas Benefit Concert, San Jose, CA

2002
February 20 - 24, ACDA Western Division Convention, Honolulu, Hawaii
March 16, CMEA State Convention, Sacramento, CA
March 17, the 8th Choir Anniversary, San Jose, CA
May 2 - 5, Heritage Children's Choir Festival, Vancouver, Canada
May 17 - 19, Anaheim Heritage Music Festival, Anaheim, CA.
July 13 - 21,The 8th Annual Performance, Santa Clara and Fremont, CA
December 15, Holiday Concert with El Camino Youth Symphony, Palo Alto, CA

2001
March 8 - 11, CMEA / ACDA Califronia State Convention, Anaheim, CA.
May 11 - 13, "Heritage Choir Festival" - Little Singers, Anaheim, CA.
June 10,Crystal - TaiwanFirst Concert, Hsin-Chu, Taiwan
June 20 - 26, "Pacific Int'l Children Choral Festival" - Crystal Ensemble, Eugene, OR
July 18 - 22, The 7th Annual Performance, Mountain View, San Mateo and Fremont, CA
December 24 - January 5, '02, Asia Trip, Shaman, Taiwan

2000
March 30 - April 2, "Honolulu Music Festival" - Crystal Ensemble, Hawaii
May 4 - 7, "Heritage Children's Choir Festival" - Little Singers, Anaheim, CA.
June 22 - 28, Millennium Season at Carnegie Hall, New York and Washington DC
July 22 - 23, The 6th Annual Performance, Fremont and Mountain View
December 1,Crystal - Taiwanestablished
December 15 - 17, Joint Concert with East Valley Choir, Walnut, CA.

1999
April 17, Children's Community Choral Festival, Fresno
April 22 - 25, Southern California Children's Choir Festival, Anaheim
July 24 - 25, The 5th Annual Performance, Fremont
September 12, North Bay Group Established, Foster City
December 15 - 23, "Advent Sing 1999", Vienna and Budapest

1998
February 28, "Ode to Spring", San Francisco
June 20, "Joint Concert with East Valley and Southern California Choirs, San Jose
July 25 - 26, The 4th Annual Performance, Fremont
August 19 - 25, Music Journey - The 9th Youth Music Festival, Portland and Vancouver
December 5, Joint Concert with Oakland Youth Chorus, Oakland

1997
May 25 - June 3, China Trip, Shanghai and Beijing
July 12 - 13, The 3rd Annual Performance, Fremont and Mountain View
December 20 - 22, Southern California Winter Trip, Los Angeles and San Diego

1996
May 11 - 12, The 2nd Annual Performance, Saratoga and Fremont
June 30, "Taiwanese Folk Songs Series", Saratoga
November 9, Youth Concert Series, San Francisco
December 18 - 31,Asia Trip, Hong Kong and Taiwan

1995
May 13 - 14, The 1st Annual Performance, Milpitas and Palo Alto
Sept. 8, East Bay Group Established, Milpitas
December 17, Fresno State University, Fresno

1994
March 13, Crystal Children's Choir Established, Cupertino
December 10, Senior Center Christmas Performance, San Jose and Sunnyvale