======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '268'
                                          'artist'  'The Offspring'
                                     'text_people'  ''
                                         'release'  'Ixnay on the Hombre'
                                           'title'  'Gone Away'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'punk rock', 'punk', 'alternative', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '109.883'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Ixnay on the Hombre'
'TBPM' (BPM (beats per minute))                     '109.883'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Gone Away'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Offspring'
'TPE2' (Band/orchestra/accompaniment)               'The Offspring'
'TPUB' (Publisher)                                  'Epitaph Europe'
'TRCK' (Track number/Position in set)               '7'
'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'                                   ['alternative rock', 'punk rock', 'punk', 'alternative', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.376929'

========================== row from database ==========================
                                              'id'  1421186
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Offspring - Offspring/1997 - Ixnay on the Hombre/The_Offspring_-_Ixnay_On_The_Hombre_-_07_-_Gone_Away.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  268
                                           'genre'  rock-gr-punk
                                        'filesize'  4306661
                                           'mtime'  1622659170
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 1997 The_Offspring_ _Ixnay_On_The_Hombre_ _07_ _Gone_Away rock gr punk
                                      'tag_artist'  The Offspring
                                     'tag_release'  Ixnay on the Hombre
                                       'tag_title'  Gone Away
                                             'bpm'  109.883
                                    'search_title'  'away':2 'gone':1
                                   'search_artist'  'offspring':2 'the':1
                                  'search_release'  'hombre':4 'ixnay':1 'on':2 'the':3
                                     'search_rest'  '07':12 '1997':5 'away':14 'garage':2 'gone':13 'gr':16 'hombre':11 'ixnay':8 'offspring':7 'on':9 'punk':1 'rock':15 'stoner':4 'surf':3 'the':6,10
                                    'search_combo'  '07':20 '1997':13 'away':2A,22 'garage':10 'gone':1A,21 'gr':24 'hombre':8C,19 'ixnay':5C,16 'offspring':4B,15 'on':6C,17 'punk':9 'rock':23 'stoner':12 'surf':11 'the':3B,7C,14,18
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4A
                                           '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-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', 'punk rock', 'punk', 'alternative', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659169.8233664  (2021-06-02 20:39:29)
                             'size'  4306661