======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '288'
                                          'artist'  'Bebel Gilberto'
                                     'text_people'  ''
                                         'release'  'Ales2 World Music Sampler Vol.01'
                                           'title'  'Samba da Bencao'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-LOCALNESS-3', "
 "'Q-JZFKS-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['bossa nova', 'jazz', 'female vocalists', 'chillout', 'brazilian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '107.322'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Ales2 World Music Sampler Vol.01'
'TBPM' (BPM (beats per minute))                     '107.322'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Samba da Bencao'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bebel Gilberto'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['bossa nova', 'jazz', 'female vocalists', 'chillout', 'brazilian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.50 dB'
'TXXX:replaygain_track_peak'                        '0.486864'

========================== row from database ==========================
                                              'id'  475928
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Ales2 World Music Sampler Vol.1 (Ales2, 2002) [192k]/V.A[Ales2 World Music Sampler] 11 - Bebel Gilberto - Samba da Bencao.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  288
                                           'genre'  loc-style-latin
                                        'filesize'  6916863
                                           'mtime'  1620586302
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. 1： Trad Vol.1 (Ales2, 2002) [192k] V.A[Ales2 Sampler] 11 loc style latin
                                      'tag_artist'  Bebel Gilberto
                                     'tag_release'  Ales2 World Music Sampler Vol.01
                                       'tag_title'  Samba da Bencao
                                             'bpm'  107.322
                                    'search_title'  'bencao':3 'da':2 'samba':1
                                   'search_artist'  'bebel':1 'gilberto':2
                                  'search_release'  '01':6 'ales2':1 'music':3 'sampler':4 'vol':5 'vol01':7 'world':2
                                     'search_rest'  '1':3,4,5,8 '192k':14,15 '2002':12,13 'a':17 'ales2':10,11,18 'latin':24 'loc':22 'sampler':20,21 'style':23 'trad':6 'v':16 'va':1,2 'vaales2':19 'vol':7 'vol1':9
                                    'search_combo'  '01':11C '1':15,16,17,20 '192k':26,27 '2002':24,25 'a':29 'ales2':6C,22,23,30 'bebel':4B 'bencao':3A 'da':2A 'gilberto':5B 'latin':36 'loc':34 'music':8C 'samba':1A 'sampler':9C,32,33 'style':35 'trad':18 'v':28 'va':13,14 'vaales2':31 'vol':10C,19 'vol01':12C 'vol1':21 'world':7C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['bossa nova', 'jazz', 'female vocalists', 'chillout', 'brazilian']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586301.6698017  (2021-05-09 20:51:41)
                             'size'  6916863