======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '274'
                                          'artist'  'Phil Collins'
                                     'text_people'  ''
                                         'release'  'hits'
                                           'title'  'True Colors'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'soft rock', 'classic rock', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '85.779'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'hits'
'TBPM' (BPM (beats per minute))                     '85.779'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'True Colors'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'Phil Collins'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'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', 'classic rock', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.608035'

========================== row from database ==========================
                                              'id'  1303427
                                            'path'  /data/Music/Bulk/00poprockelectronic/album top 1000/0173 Phil Collins - Phil Collins ...Hits/cifsdd04.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  274
                                           'genre'  rock-pop
                                        'filesize'  6589976
                                           'mtime'  1678456170
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic album top 1000 0173 ...Hits cifsdd04 rock pop
                                      'tag_artist'  Phil Collins
                                     'tag_release'  hits
                                       'tag_title'  True Colors
                                             'bpm'  85.779
                                    'search_title'  'colors':2 'true':1
                                   'search_artist'  'collins':2 'phil':1
                                  'search_release'  'hits':1
                                     'search_rest'  '00poprockelectronic':1 '0173':5 '1000':4 'album':2 'cifsdd04':8 'hits':6,7 'pop':10 'rock':9 'top':3
                                    'search_combo'  '00poprockelectronic':6 '0173':10 '1000':9 'album':7 'cifsdd04':13 'collins':4B 'colors':2A 'hits':5C,11,12 'phil':3B 'pop':15 'rock':14 'top':8 'true':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['80s', 'soft rock', 'classic rock', 'pop', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678456170.4496803  (2023-03-10 14:49:30)
                             'size'  6589976