File list (Check if you may need any files):
superkeyboard\superkeyboard.qpf
.............\superkeyboard.qsf
.............\SPEAKER.bsf
.............\superkeyboard.map.summary
.............\superkeyboard.map.rpt
.............\superkeyboard.flow.rpt
.............\superkeyboard.fit.rpt
.............\superkeyboard.asm.rpt
.............\superkeyboard.tan.rpt
.............\TONE.vhd.bak
.............\TONE.vhd
.............\MUSIC.vhd
.............\MUSIC.vhd.bak
.............\MUSIC.bsf
.............\LAOHU.vhd
.............\LAOHU.vhd.bak
.............\LAOHU.bsf
.............\ABC.vhd
.............\ABC.vhd.bak
.............\mux21.vhd
.............\superkeyboard.pin
.............\superkeyboard.fit.smsg
.............\superkeyboard.fit.summary
.............\mux21.bsf
.............\ABC.bsf
.............\superkeyboard.bdf
.............\SPEAKER.cmp
.............\superkeyboard.sof
.............\superkeyboard.pof
.............\superkeyboard.dpf
.............\I2C_AV_Config.v.bak
.............\superkeyboard.tan.summary
.............\I2C_AV_Config.v
.............\I2C_Controller.v
.............\superkeyboard.done
.............\TONE.bsf
.............\I2C_AV_Config.bsf
.............\adio_codec.v
.............\adio_codec.v.bak
.............\adio_codec.bsf
.............\ABC_inst.v
.............\adio_codec.inc
.............\SPEAKER.vhd.bak
.............\SPEAKER.vhd
.............\i2c.v.bak
.............\I2C_Controller.bsf
.............\db\superkeyboard.db_info
.............\..\superkeyboard.sld_design_entry_dsc.sci
.............\..\superkeyboard.map.qmsg
.............\..\superkeyboard.cmp.cdb
.............\..\superkeyboard.hier_info
.............\..\superkeyboard.cbx.xml
.............\..\prev_cmp_superkeyboard.map.qmsg
.............\..\superkeyboard.map_bb.hdbx
.............\..\prev_cmp_superkeyboard.qmsg
.............\..\superkeyboard.fit.qmsg
.............\..\prev_cmp_superkeyboard.fit.qmsg
.............\..\superkeyboard.pre_map.hdb
.............\..\superkeyboard.pre_map.cdb
.............\..\superkeyboard.map_bb.logdb
.............\..\superkeyboard.rtlv_sg.cdb
.............\..\superkeyboard.asm.qmsg
.............\..\superkeyboard.root_partition.map.info
.............\..\superkeyboard.psp
.............\..\superkeyboard.sgdiff.cdb
.............\..\superkeyboard.sgdiff.hdb
.............\..\prev_cmp_superkeyboard.asm.qmsg
.............\..\prev_cmp_superkeyboard.tan.qmsg
.............\..\superkeyboard.syn_hier_info
.............\..\superkeyboard.tan.qmsg
.............\..\superkeyboard.cmp.logdb
.............\..\superkeyboard.root_partition.map.atm
.............\..\superkeyboard.root_partition.map.hdbx
.............\..\superkeyboard.eco.cdb
.............\..\superkeyboard.hif
.............\..\superkeyboard.map.ecobp
.............\..\superkeyboard0.rtl.mif
.............\..\superkeyboard.rtlv.hdb
.............\..\rom0_I2C_AV_Config_fe53227f.hdl.mif
.............\..\I2C_AV_Config0.rtl.mif
.............\..\altsyncram_0401.tdf
.............\..\superkeyboard.root_partition.cmp.rcf
.............\..\superkeyboard.root_partition.cmp.hdbx
.............\..\superkeyboard.root_partition.cmp.atm
.............\..\superkeyboard.rtlv_sg_swap.cdb
.............\..\altsyncram_9001.tdf
.............\..\superkeyboard.smp_dump.txt
.............\..\superkeyboard.cmp.bpm
.............\..\superkeyboard.map.cdb
.............\..\superkeyboard.map_bb.cdb
.............\..\superkeyboard.map_bb.hdb
.............\..\superkeyboard.map.hdb
.............\..\superkeyboard.map.logdb
.............\..\superkeyboard.map.bpm
.............\..\superkeyboard.cmp.ecobp
.............\..\superkeyboard.root_partition.cmp.logdb
.............\..\superkeyboard.root_partition.cmp.dfp
.............\..\superkeyboard.cmp.tdb
.............\..\superkeyboard.asm_labs.ddb
.............\..\superkeyboard.sld_design_entry.sci