======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '197'
                                          'artist'  'Soledad Brovo'
                                     'text_people'  ''
                                         'release'  'Ales2 World Music Sampler Vol.01'
                                           'title'  'Sombras!X'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '136.828'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ales2 World Music Sampler Vol.01'
'TBPM' (BPM (beats per minute))                     '136.828'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Sombras!X'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Soledad Brovo'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.46 dB'
'TXXX:replaygain_track_peak'                        '0.463287'

========================== row from database ==========================
                                              'id'  475177
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Ales2 World Music Sampler Vol.1 (Ales2, 2002) [192k]/V.A[Ales2 World Music Sampler] 01 - Soledad Brovo - Sombras¡Ø.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  197
                                           'genre'  loc-style-latin
                                        'filesize'  4736360
                                           'mtime'  1620586296
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. 1： Trad Vol.1 (Ales2, 2002) [192k] V.A[Ales2 Sampler] Sombras¡Ø loc style latin
                                      'tag_artist'  Soledad Brovo
                                     'tag_release'  Ales2 World Music Sampler Vol.01
                                       'tag_title'  Sombras!X
                                             'bpm'  136.828
                                    'search_title'  'sombras':1 'x':2
                                   'search_artist'  'brovo':2 'soledad':1
                                  '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':28 'loc':26 'o':25 'sampler':20,21 'sombras':22,24 'style':27 'trad':6 'v':16 'va':1,2 'vaales2':19 'vol':7 'vol1':9 'ø':23
                                    'search_combo'  '01':10C '1':14,15,16,19 '192k':25,26 '2002':23,24 'a':28 'ales2':5C,21,22,29 'brovo':4B 'latin':39 'loc':37 'music':7C 'o':36 'sampler':8C,31,32 'soledad':3B 'sombras':1A,33,35 'style':38 'trad':17 'v':27 'va':12,13 'vaales2':30 'vol':9C,18 'vol01':11C 'vol1':20 'world':6C 'x':2A 'ø':34
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586295.5333939  (2021-05-09 20:51:35)
                             'size'  4736360