======================== unified (from filesystem) ========================
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                                        'duration'  '261'
                                          'artist'  'MuSiCaCeNtRal'
                                     'text_people'  ''
                                         'release'  'Club Dance Hits Vol 2'
                                           'title'  'Halo'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['macaco', 'spanish', 'male', 'rock', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '107.095'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Club Dance Hits Vol 2'
'TBPM' (BPM (beats per minute))                     '107.095'
'TIT2' (Title/songname/content description)         'Halo'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'MuSiCaCeNtRal'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['macaco', 'spanish', 'male', 'rock', 'pop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+8.55 dB'
'TXXX:replaygain_track_peak'                        '0.143568'

========================== row from database ==========================
                                              'id'  1321030
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/03 Beyonce - Halo.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  261
                                           'genre'  
                                        'filesize'  10458726
                                           'mtime'  1652397924
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 03 Beyonce
                                      'tag_artist'  MuSiCaCeNtRal
                                     'tag_release'  Club Dance Hits Vol 2
                                       'tag_title'  Halo
                                             'bpm'  107.095
                                    'search_title'  'halo':1
                                   'search_artist'  'ca':4 'ce':5 'mu':2 'musicacentral':1 'nt':6 'ral':7 'si':3
                                  'search_release'  '2':5 'club':1 'dance':2 'hits':3 'vol':4
                                     'search_rest'  '00poprockelectronic':1 'beyonce':7 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':14 '2':13C 'beyonce':20 'ca':5B 'ce':6B 'club':9C 'dance':10C 'files':18,19 'halo':1A 'hits':11C 'loose':16,17 'mu':3B 'musicacentral':2B 'nt':7B 'ral':8B 'si':4B 'unsorted':15 'vol':12C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['macaco', 'spanish', 'male', 'rock', 'pop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397923.9064553  (2022-05-13 01:25:23)
                             'size'  10458726