======================== unified (from filesystem) ========================
                                         'bitrate'  '147.05'
                                        'duration'  '332'
                                          'artist'  'Somovaw'
                                     'text_people'  ''
                                         'release'  'etherbye'
                                           'title'  'Cradle'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '95.754'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'etherbye'
'TBPM' (BPM (beats per minute))                     '95.754'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Cradle'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Somovaw'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.522345'

========================== row from database ==========================
                                              'id'  1295484
                                            'path'  /data/Music/Bulk/00poprockelectronic/SomovaW/etherbye/03-Cradle.mp3
                                         'working'  None
                                         'bitrate'  147
                                    'duration_sec'  332
                                           'genre'  electronic-unsorted
                                        'filesize'  6111926
                                           'mtime'  1620572124
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic SomovaW 03 electronic unsorted
                                      'tag_artist'  Somovaw
                                     'tag_release'  etherbye
                                       'tag_title'  Cradle
                                             'bpm'  95.754
                                    'search_title'  'cradle':1
                                   'search_artist'  'somovaw':1
                                  'search_release'  'etherbye':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':3 'somova':5 'somovaw':2 'unsorted':4 'w':6
                                    'search_combo'  '00poprockelectronic':4 'cradle':1A 'electronic':6 'etherbye':3C 'somova':8 'somovaw':2B,5 'unsorted':7 'w':9
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572124.2140543  (2021-05-09 16:55:24)
                             'size'  6111926