======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '156'
                                          'artist'  'Takeshi Terauchi & The Bunnys'
                                     'text_people'  ''
                                         'release'  'Beat, Beat, Beat (Vol. 1 + 2)'
                                           'title'  'Oh, Pretty Woman'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'instrumental', 'japanese', 'surf rock', 'eleki']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '142.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Beat, Beat, Beat (Vol. 1 + 2)'
'TBPM' (BPM (beats per minute))                     '142.2'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Oh, Pretty Woman'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Takeshi Terauchi & The Bunnys'
'TPUB' (Publisher)                                  'King'
'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'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['surf', 'instrumental', 'japanese', 'surf rock', 'eleki']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.17 dB'
'TXXX:replaygain_track_peak'                        '0.703816'

========================== row from database ==========================
                                              'id'  1420912
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Takeshi Terauchi & The Bunnys - Beat, Beat, Beat (Vol. 1 + 2)/01 Oh, Pretty Woman.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  156
                                           'genre'  rock-pop-surf
                                        'filesize'  2514358
                                           'mtime'  1620737107
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 01 rock pop surf
                                      'tag_artist'  Takeshi Terauchi & The Bunnys
                                     'tag_release'  Beat, Beat, Beat (Vol. 1 + 2)
                                       'tag_title'  Oh, Pretty Woman
                                             'bpm'  142.2
                                    'search_title'  'oh':1,2 'pretty':3 'woman':4
                                   'search_artist'  'bunnys':4 'takeshi':1 'terauchi':2 'the':3
                                  'search_release'  '1':5 '2':6,7 'beat':1,2 'vol':3,4
                                     'search_rest'  'garage':2 'pop':6 'punk':1 'rock':5 'stoner':4 'surf':3
                                    'search_combo'  '1':13C '2':14C,15C 'beat':9C,10C 'bunnys':8B 'garage':17 'oh':1A,2A 'pop':21 'pretty':3A 'punk':16 'rock':20 'stoner':19 'surf':18 'takeshi':5B 'terauchi':6B 'the':7B 'vol':11C,12C 'woman':4A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'instrumental', 'japanese', 'surf rock', 'eleki']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737106.6149306  (2021-05-11 14:45:06)
                             'size'  2514358