======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '192'
                                          'artist'  'Fleetwood Mac'
                                     'text_people'  ''
                                         'release'  'Greatest Hits (European)'
                                           'title'  "Don't Stop"
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'soft rock', 'rock', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '17'
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '119.054'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Greatest Hits (European)'
'TBPM' (BPM (beats per minute))                     '119.054'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         "Don't Stop"
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Fleetwood Mac'
'TPE2' (Band/orchestra/accompaniment)               'Fleetwood Mac'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/17'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'soft rock', 'rock', 'pop', 'classic rock']
'TXXX:q-bass'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.766962'

========================== row from database ==========================
                                              'id'  1318362
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/fleetwood mac - dont stop thinking about tomorrow.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  192
                                           'genre'  rock-unsorted
                                        'filesize'  3100672
                                           'mtime'  1620392389
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] fleetwood mac dont stop thinking about tomorrow rock unsorted
                                      'tag_artist'  Fleetwood Mac
                                     'tag_release'  Greatest Hits (European)
                                       'tag_title'  Don't Stop
                                             'bpm'  119.054
                                    'search_title'  'don':1 'dont':3 'stop':4 't':2
                                   'search_artist'  'fleetwood':1 'mac':2
                                  'search_release'  'european':3,4 'greatest':1 'hits':2
                                     'search_rest'  '00poprockelectronic':1 'about':12 'dont':9 'files':5,6 'fleetwood':7 'loose':3,4 'mac':8 'rock':14 'stop':10 'thinking':11 'tomorrow':13 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'about':22 'don':1A 'dont':3A,19 'european':9C,10C 'files':15,16 'fleetwood':5B,17 'greatest':7C 'hits':8C 'loose':13,14 'mac':6B,18 'rock':24 'stop':4A,20 't':2A 'thinking':21 'tomorrow':23 'unsorted':12
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'soft rock', 'rock', 'pop', 'classic rock']
                                        'tag_date'  1977
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392388.735474  (2021-05-07 14:59:48)
                             'size'  3100672