======================== unified (from filesystem) ========================
                                         'bitrate'  '173.873'
                                        'duration'  '134'
                                          'artist'  'Zeke'
                                     'text_people'  ''
                                         'release'  "Til The Livin' End"
                                           'title'  'Hold Tight'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'hardcore punk', 'punk', 'hardcore', 'speedrock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '108.821'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Til The Livin' End"
'TBPM' (BPM (beats per minute))                     '108.821'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Hold Tight'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zeke'
'TRCK' (Track number/Position in set)               '04'
'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', 'hardcore punk', 'punk', 'hardcore', 'speedrock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.449258'

========================== row from database ==========================
                                              'id'  1528959
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Zeke/Til The Livin_ End/04 - Hold Tight.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  134
                                           'genre'  rock-gr-punk
                                        'filesize'  2921040
                                           'mtime'  1622659331
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica Livin_ 04 rock gr punk
                                      'tag_artist'  Zeke
                                     'tag_release'  Til The Livin' End
                                       'tag_title'  Hold Tight
                                             'bpm'  108.821
                                    'search_title'  'hold':1 'tight':2
                                   'search_artist'  'zeke':1
                                  'search_release'  'end':5 'livin':3,4 'the':2 'til':1
                                     'search_rest'  '00poprockelectronic':1 'gr':5 'livin':3 'musica':2 'punk':6 'rock':4
                                    'search_combo'  '00poprockelectronic':9 'end':8C 'gr':13 'hold':1A 'livin':6C,7C,11 'musica':10 'punk':14 'rock':12 'the':5C 'tight':2A 'til':4C 'zeke':3B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'hardcore punk', 'punk', 'hardcore', 'speedrock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659330.9408169  (2021-06-02 20:42:10)
                             'size'  2921040