======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '89'
                                          'artist'  'The Bouncing Souls'
                                     'text_people'  ''
                                         'release'  'Tie One on'
                                           'title'  'Ecfu!'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'pop punk', 'punk', 'hardcore', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '120.399'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tie One on'
'TBPM' (BPM (beats per minute))                     '120.399'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Ecfu!'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Bouncing Souls'
'TRCK' (Track number/Position in set)               '5'
'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'                                   ['punk rock', 'pop punk', 'punk', 'hardcore', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.33 dB'
'TXXX:replaygain_track_peak'                        '0.380857'

========================== row from database ==========================
                                              'id'  1310628
                                            'path'  /data/Music/Bulk/00poprockelectronic/Bouncing Souls/Tie One On Live/The Bouncing Souls - Ecfu!.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  89
                                           'genre'  rock-gr-punk
                                        'filesize'  2139289
                                           'mtime'  1622659280
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Live rock gr punk
                                      'tag_artist'  The Bouncing Souls
                                     'tag_release'  Tie One on
                                       'tag_title'  Ecfu!
                                             'bpm'  120.399
                                    'search_title'  'ecfu':1
                                   'search_artist'  'bouncing':2 'souls':3 'the':1
                                  'search_release'  'on':3 'one':2 'tie':1
                                     'search_rest'  '00poprockelectronic':1 'gr':4 'live':2 'punk':5 'rock':3
                                    'search_combo'  '00poprockelectronic':8 'bouncing':3B 'ecfu':1A 'gr':11 'live':9 'on':7C 'one':6C 'punk':12 'rock':10 'souls':4B 'the':2B 'tie':5C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'pop punk', 'punk', 'hardcore', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659280.2559505  (2021-06-02 20:41:20)
                             'size'  2139289