======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '195'
                                          'artist'  'Unknown'
                                     'text_people'  ''
                                         'release'  '248exotica'
                                           'title'  'Dance Song'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-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']")
                                      'lastfmtags'  "['90s', 'leapsandbounds cdcollection', '80ies', 'comedy', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '100.856'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '248exotica'
'TBPM' (BPM (beats per minute))                     '100.856'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Dance Song'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Unknown'
'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'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['90s', 'leapsandbounds cdcollection', '80ies', 'comedy', 'classic rock']
'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'                        '+3.13 dB'
'TXXX:replaygain_track_peak'                        '0.570319'

========================== row from database ==========================
                                              'id'  978549
                                            'path'  /data/Music/Bulk/00localcharacter/248exotica/Unknown -- Dance Song.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  195
                                           'genre'  loc-unsorted
                                        'filesize'  4693503
                                           'mtime'  1621629622
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter loc unsorted
                                      'tag_artist'  Unknown
                                     'tag_release'  248exotica
                                       'tag_title'  Dance Song
                                             'bpm'  100.856
                                    'search_title'  'dance':1 'song':2
                                   'search_artist'  'unknown':1
                                  'search_release'  '248exotica':1
                                     'search_rest'  'loc':1 'unsorted':2
                                    'search_combo'  '248exotica':4C 'dance':1A 'loc':5 'song':2A 'unknown':3B 'unsorted':6
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', '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'  ['90s', 'leapsandbounds cdcollection', '80ies', 'comedy', 'classic rock']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629622.2677047  (2021-05-21 22:40:22)
                             'size'  4693503