======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '197'
                                          'artist'  'the smiths'
                                     'text_people'  ''
                                         'release'  'the queen is dead'
                                           'title'  'the boy with the thorn in his side'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', '80s', 'alternative', 'post punk', 'new wave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '119.335'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'the queen is dead'
'TBPM' (BPM (beats per minute))                     '119.335'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'the boy with the thorn in his side'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '197041'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'the smiths'
'TRCK' (Track number/Position in set)               '07'
'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:lastfmtags'                                   ['indie', '80s', 'alternative', 'post punk', 'new wave']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.501361'

========================== row from database ==========================
                                              'id'  1348804
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/The Smiths/The Queen Is Dead/The Smiths - The Boy With the Thorn In His Side - 07.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  197
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3942272
                                           'mtime'  1620607385
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk The Smiths The Queen Is Dead The Smiths The Boy With Thorn In His Side 07 electronic we new wave post punk
                                      'tag_artist'  the smiths
                                     'tag_release'  the queen is dead
                                       'tag_title'  the boy with the thorn in his side
                                             'bpm'  119.335
                                    'search_title'  'boy':2 'his':6 'in':5 'side':7 'the':1 'thorn':4 'with':3
                                   'search_artist'  'smiths':2 'the':1
                                  'search_release'  'dead':4 'is':3 'queen':2 'the':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 'boy':11 'dead':10 'disco':3 'electronic':17 'his':15 'in':14 'is':9 'new':19 'post':21 'postpunk':5 'punk':22 'queen':8 'side':16 'smiths':7 'the':6 'thorn':13 'wave':20 'waves':2 'we':18 'with':12
                                    'search_combo'  '00newwave':17 '00poprockelectronic':14 'boy':2A,24 'dead':13C,23 'disco':16 'electronic':30 'his':6A,28 'in':5A,27 'is':12C,22 'new':32 'post':34 'postpunk':18 'punk':35 'queen':11C,21 'side':7A,29 'smiths':9B,20 'the':1A,8B,10C,19 'thorn':4A,26 'wave':33 'waves':15 'we':31 'with':3A,25
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', '80s', 'alternative', 'post punk', 'new wave']
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620607385.1398847  (2021-05-10 02:43:05)
                             'size'  3942272