======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '215'
                                          'artist'  'Kiss'
                                     'text_people'  ''
                                         'release'  'Love Gun'
                                           'title'  'Tomorrow and Tonight'
                                           'quals'  ("['Q-HAP-2', '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']"
                                     'discogstags'  "['rock', 'hard rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '90.411'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Love Gun'
'TBPM' (BPM (beats per minute))                     '90.411'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Tomorrow and Tonight'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kiss'
'TRCK' (Track number/Position in set)               '5'
'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:discogstags'                                  ['rock', 'hard rock', 'pop rock']
'TXXX:lastfmtags'                                   ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.49 dB'
'TXXX:replaygain_track_peak'                        '0.530748'

========================== row from database ==========================
                                              'id'  1417568
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Kiss/MBZ;#Kiss;#Love Gun;#05;#Tomorrow and Tonight.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  215
                                           'genre'  rock-unsorted
                                        'filesize'  5172704
                                           'mtime'  1637523175
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy MBZ;#Kiss;#Love Gun;#05;#Tomorrow rock unsorted
                                      'tag_artist'  Kiss
                                     'tag_release'  Love Gun
                                       'tag_title'  Tomorrow and Tonight
                                             'bpm'  90.411
                                    'search_title'  'and':2 'tomorrow':1 'tonight':3
                                   'search_artist'  'kiss':1
                                  'search_release'  'gun':2 'love':1
                                     'search_rest'  '05':9,12 'classicprogpsy':1 'gun':8,11 'kiss':3,6 'love':4,7 'mbz':2,5 'rock':14 'tomorrow':10,13 'unsorted':15
                                    'search_combo'  '05':15,18 'and':2A 'classicprogpsy':7 'gun':6C,14,17 'kiss':4B,9,12 'love':5C,10,13 'mbz':8,11 'rock':20 'tomorrow':1A,16,19 'tonight':3A 'unsorted':21
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  1977
                                     'discogstags'  ['rock', 'hard rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1637523175.3564398  (2021-11-21 20:32:55)
                             'size'  5172704