======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '139'
                                          'artist'  'The Ataris'
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                                         'release'  'Let It Burn'
                                           'title'  'How I Spent My Summer Vacation'
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 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'pop punk', 'punk', 'emo', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '122.363'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '122.363'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'How I Spent My Summer Vacation'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ataris'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk rock', 'pop punk', 'punk', 'emo', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.44 dB'
'TXXX:replaygain_track_peak'                        '0.364242'

========================== row from database ==========================
                                              'id'  1326577
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Ataris/The Ataris - End is Forever - 11 - How I Spent My Summer Vacation.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  139
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3350053
                                           'mtime'  1637019789
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock End Forever 11 ifs songwriter indie rock
                                      'tag_artist'  The Ataris
                                     'tag_release'  Let It Burn
                                       'tag_title'  How I Spent My Summer Vacation
                                             'bpm'  122.363
                                    'search_title'  'how':1 'i':2 'my':4 'spent':3 'summer':5 'vacation':6
                                   'search_artist'  'ataris':2 'the':1
                                  'search_release'  'burn':3 'it':2 'let':1
                                     'search_rest'  '00poprockelectronic':1 'end':4 'forever':5 'ifs':6 'indie':8 'indierock':3 'poprock':2 'rock':9 'songwriter':7
                                    'search_combo'  '00poprockelectronic':12 'ataris':8B 'burn':11C 'end':15 'forever':16 'how':1A 'i':2A 'ifs':17 'indie':19 'indierock':14 'it':10C 'let':9C 'my':4A 'poprock':13 'rock':20 'songwriter':18 'spent':3A 'summer':5A 'the':7B 'vacation':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['punk rock', 'pop punk', 'punk', 'emo', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637019789.1473129  (2021-11-16 00:43:09)
                             'size'  3350053