======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '257'
                                          'artist'  'The Cardigans'
                                     'text_people'  ''
                                         'release'  "For What It's Worth CDS"
                                           'title'  "For What It's Worth"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['90s', 'alternative', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '126.252'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     "For What It's Worth CDS"
'TBPM' (BPM (beats per minute))                     '126.252'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "For What It's Worth"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Cardigans'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['90s', 'alternative', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.85 dB'
'TXXX:replaygain_track_peak'                        '0.440722'

========================== row from database ==========================
                                              'id'  1521270
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/The Cardigans - For What It_s Worth.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  257
                                           'genre'  electronic-generic or radio
                                        'filesize'  6191714
                                           'mtime'  1678463534
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat It_s electronic generic radio
                                      'tag_artist'  The Cardigans
                                     'tag_release'  For What It's Worth CDS
                                       'tag_title'  For What It's Worth
                                             'bpm'  126.252
                                    'search_title'  'for':1 'it':3 'its':5 's':4 'what':2 'worth':6
                                   'search_artist'  'cardigans':2 'the':1
                                  'search_release'  'cds':7 'for':1 'it':3 'its':5 's':4 'what':2 'worth':6
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':7 'generic':2 'it':5 'radio':8 's':6 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':16 'cardigans':8B 'cds':15C 'dance':18 'electronic':22 'for':1A,9C 'generic':17 'it':3A,11C,20 'its':5A,13C 'radio':23 's':4A,12C,21 'the':7B 'trapbeat':19 'what':2A,10C 'worth':6A,14C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['90s', 'alternative', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678463533.6599376  (2023-03-10 16:52:13)
                             'size'  6191714