======================== unified (from filesystem) ========================
                                         'bitrate'  '226.412'
                                        'duration'  '189'
                                          'artist'  'The Drips'
                                     'text_people'  ''
                                         'release'  'Self Titled'
                                           'title'  "I'm Gone"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['american', 'garage punk', 'punk', 'punk rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '118.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Self Titled'
'TBPM' (BPM (beats per minute))                     '118.0'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         "I'm Gone"
'TKEY' (Initial key)                                '9A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'The Drips'
'TRCK' (Track number/Position in set)               '4'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['american', 'garage punk', 'punk', 'punk rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.83 dB'
'TXXX:replaygain_track_peak'                        '0.402032'

========================== row from database ==========================
                                              'id'  1496995
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Drips/Self Titled/04 I_m Gone.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  189
                                           'genre'  rock-gr-punk
                                        'filesize'  5383206
                                           'mtime'  1622659158
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 04 I_m rock gr punk
                                      'tag_artist'  The Drips
                                     'tag_release'  Self Titled
                                       'tag_title'  I'm Gone
                                             'bpm'  118.0
                                    'search_title'  'gone':4 'i':1 'im':3 'm':2
                                   'search_artist'  'drips':2 'the':1
                                  'search_release'  'self':1 'titled':2
                                     'search_rest'  'garage':2 'gr':8 'i':5 'm':6 'punk':1 'rock':7 'stoner':4 'surf':3
                                    'search_combo'  'drips':6B 'garage':10 'gone':4A 'gr':16 'i':1A,13 'im':3A 'm':2A,14 'punk':9 'rock':15 'self':7C 'stoner':12 'surf':11 'the':5B 'titled':8C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['american', 'garage punk', 'punk', 'punk rock', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659158.0032008  (2021-06-02 20:39:18)
                             'size'  5383206