======================== unified (from filesystem) ========================
                                         'bitrate'  '170.041'
                                        'duration'  '288'
                                          'artist'  'Azucarado'
                                     'text_people'  ''
                                         'release'  'Merengue'
                                           'title'  'Juanita'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['azucarado']"
                                     'discogstags'  "['merengue', 'latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '139.370'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Merengue'
'TBPM' (BPM (beats per minute))                     '139.370'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Juanita'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Azucarado'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['merengue', 'latin']
'TXXX:lastfmtags'                                   'azucarado'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.397443'

========================== row from database ==========================
                                              'id'  777096
                                            'path'  /data/Music/Bulk/00localcharacter/Latin/Merengue/Azucarado - Juanita.mp3
                                         'working'  None
                                         'bitrate'  170
                                    'duration_sec'  288
                                           'genre'  loc-unsorted
                                        'filesize'  6133632
                                           'mtime'  1620401154
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Latin loc unsorted
                                      'tag_artist'  Azucarado
                                     'tag_release'  Merengue
                                       'tag_title'  Juanita
                                             'bpm'  139.37
                                    'search_title'  'juanita':1
                                   'search_artist'  'azucarado':1
                                  'search_release'  'merengue':1
                                     'search_rest'  'latin':1 'loc':2 'unsorted':3
                                    'search_combo'  'azucarado':2B 'juanita':1A 'latin':4 'loc':5 'merengue':3C 'unsorted':6
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['azucarado']
                                        'tag_date'  
                                     'discogstags'  ['merengue', 'latin']

============================== file details ==============================
                                           'mtime'  1620401154.3734152  (2021-05-07 17:25:54)
                             'size'  6133632