======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '181'
                                          'artist'  'Vince Ray & The Boneshakers'
                                     'text_people'  ''
                                         'release'  'Zombie Radio'
                                           'title'  'Betty Bitch'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['spotify', 'all', 'psychobilly', 'lets swing', 'rockabilly']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '104.931'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Zombie Radio'
'TBPM' (BPM (beats per minute))                     '104.931'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Betty Bitch'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Vince Ray & The Boneshakers'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['spotify', 'all', 'psychobilly', 'lets swing', 'rockabilly']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.48 dB'
'TXXX:replaygain_track_peak'                        '0.530745'

========================== row from database ==========================
                                              'id'  1348540
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Vince Ray & The Boneshakers/Zombie Radio/01 - Betty Bitch.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  181
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  7287033
                                           'mtime'  1620526935
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 01 rock rockabilly or psychobilly
                                      'tag_artist'  Vince Ray & The Boneshakers
                                     'tag_release'  Zombie Radio
                                       'tag_title'  Betty Bitch
                                             'bpm'  104.931
                                    'search_title'  'betty':1 'bitch':2
                                   'search_artist'  'boneshakers':4 'ray':2 'the':3 'vince':1
                                  'search_release'  'radio':2 'zombie':1
                                     'search_rest'  '00poprockelectronic':1 'musica':2 'or':5 'psychobilly':6 'rock':3 'rockabilly':4
                                    'search_combo'  '00poprockelectronic':9 'betty':1A 'bitch':2A 'boneshakers':6B 'musica':10 'or':13 'psychobilly':14 'radio':8C 'ray':4B 'rock':11 'rockabilly':12 'the':5B 'vince':3B 'zombie':7C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['spotify', 'all', 'psychobilly', 'lets swing', 'rockabilly']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526934.9359317  (2021-05-09 04:22:14)
                             'size'  7287033