======================== unified (from filesystem) ========================
                                         'bitrate'  '201.02'
                                        'duration'  '125'
                                          'artist'  'Atom and His Package'
                                     'text_people'  ''
                                         'release'  'Hair: Debatable'
                                           'title'  'Waiting Room'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'electronic', 'punk', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '145.580'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hair: Debatable'
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Waiting Room'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Atom and His Package'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['indie', 'electronic', 'punk', 'experimental', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.13 dB'
'TXXX:replaygain_track_peak'                        '0.362231'

========================== row from database ==========================
                                              'id'  1315535
                                            'path'  /data/Music/Bulk/00poprockelectronic/Atom and His Package/Hair Debatable/Hair Debatable-14-Waiting Room.mp3
                                         'working'  None
                                         'bitrate'  201
                                    'duration_sec'  125
                                           'genre'  rock-gr-punk
                                        'filesize'  3145262
                                           'mtime'  1622659244
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 14 rock gr punk
                                      'tag_artist'  Atom and His Package
                                     'tag_release'  Hair: Debatable
                                       'tag_title'  Waiting Room
                                             'bpm'  145.58
                                    'search_title'  'room':2 'waiting':1
                                   'search_artist'  'and':2 'atom':1 'his':3 'package':4
                                  'search_release'  'debatable':3 'hair':1,2
                                     'search_rest'  '00poprockelectronic':1 'gr':3 'punk':4 'rock':2
                                    'search_combo'  '00poprockelectronic':10 'and':4B 'atom':3B 'debatable':9C 'gr':12 'hair':7C,8C 'his':5B 'package':6B 'punk':13 'rock':11 'room':2A 'waiting':1A
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['indie', 'electronic', 'punk', 'experimental', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659243.991436  (2021-06-02 20:40:43)
                             'size'  3145262