======================== unified (from filesystem) ========================
                                         'bitrate'  '256.786'
                                        'duration'  '4'
                                          'artist'  'frenzal rhomb'
                                     'text_people'  ''
                                         'release'  'not so tough now'
                                           'title'  'theme form secret track part 2'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['skate punk', 'punk rock', 'pop punk', 'punk', 'australian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '144.645'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'not so tough now'
'TBPM' (BPM (beats per minute))                     '144.645'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'theme form secret track part 2'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'frenzal rhomb'
'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:lastfmtags'                                   ['skate punk', 'punk rock', 'pop punk', 'punk', 'australian']
'TXXX:q-bass'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.34 dB'
'TXXX:replaygain_track_peak'                        '0.339025'

========================== row from database ==========================
                                              'id'  1420652
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Frenzal Rhomb/Frenzal_Rhomb-Not_So_Tough_Now-1996-FTS/39-frenzal_rhomb-theme_form_secret_track_part_2-fts.mp3
                                         'working'  None
                                         'bitrate'  260
                                    'duration_sec'  4
                                           'genre'  rock-gr-punk
                                        'filesize'  132680
                                           'mtime'  1622658976
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Frenzal Rhomb Frenzal_Rhomb Not_So_Tough_Now 1996 FTS 39 frenzal_rhomb theme_form_secret_track_part_2 fts rock gr punk
                                      'tag_artist'  frenzal rhomb
                                     'tag_release'  not so tough now
                                       'tag_title'  theme form secret track part 2
                                             'bpm'  144.645
                                    'search_title'  '2':6 'form':2 'part':5 'secret':3 'theme':1 'track':4
                                   'search_artist'  'frenzal':1 'rhomb':2
                                  'search_release'  'not':1 'now':4 'so':2 'tough':3
                                     'search_rest'  '1996':13 '2':21 '39':15 'form':17 'frenzal':5,7 'fts':14 'garage':2 'gr':23 'not':9 'now':12 'part':20 'punk':1 'rhomb':6,8 'rock':22 'secret':18 'so':10 'stoner':4 'surf':3 'theme':16 'tough':11 'track':19
                                    'search_combo'  '1996':25 '2':6A,33 '39':27 'form':2A,29 'frenzal':7B,17,19 'fts':26 'garage':14 'gr':35 'not':9C,21 'now':12C,24 'part':5A,32 'punk':13 'rhomb':8B,18,20 'rock':34 'secret':3A,30 'so':10C,22 'stoner':16 'surf':15 'theme':1A,28 'tough':11C,23 'track':4A,31
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', '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-3', 'q-grit-3']
                                      'lastfmtags'  ['skate punk', 'punk rock', 'pop punk', 'punk', 'australian']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622658976.1817367  (2021-06-02 20:36:16)
                             'size'  132680