======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '172'
                                          'artist'  'Monique'
                                     'text_people'  ''
                                         'release'  'french tanguerooo'
                                           'title'  'Min Kat Den Danser Tango'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lithuanian', 'pop', 'schlager', 'eurobeat', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '118.221'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '118.221'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'FrenchTanguero'
'TIT2' (Title/songname/content description)         'Min Kat Den Danser Tango'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Monique'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lithuanian', 'pop', 'schlager', 'eurobeat', '7soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'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'                        '+1.66 dB'
'TXXX:replaygain_track_peak'                        '0.480937'

========================== row from database ==========================
                                              'id'  926905
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/monique - min kat den danser tango.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  172
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  3461010
                                           'mtime'  1620528369
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter monique min kat den danser tango loc style tango or milonga
                                      'tag_artist'  Monique
                                     'tag_release'  french tanguerooo
                                       'tag_title'  Min Kat Den Danser Tango
                                             'bpm'  118.221
                                    'search_title'  'danser':4 'den':3 'kat':2 'min':1 'tango':5
                                   'search_artist'  'monique':1
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'danser':5 'den':4 'kat':3 'loc':7 'milonga':10 'min':2 'monique':1 'or':9 'style':8 'tango':6
                                    'search_combo'  'danser':4A,13 'den':3A,12 'french':7C 'kat':2A,11 'loc':15 'milonga':18 'min':1A,10 'monique':6B,9 'or':17 'style':16 'tango':5A,14 'tanguerooo':8C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['lithuanian', 'pop', 'schlager', 'eurobeat', '7soul']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528369.2201998  (2021-05-09 04:46:09)
                             'size'  3461010