======================== unified (from filesystem) ========================
                                         'bitrate'  '230.958'
                                        'duration'  '207'
                                          'artist'  'HorrorPops'
                                     'text_people'  ''
                                         'release'  'Bring It On'
                                           'title'  "It's Been So Long"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'punk rock', 'psychobilly', 'punk', 'rockabilly']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '145.685'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:m(\x00\x00'                      PRIV(owner='AverageLevel', data=b'm(\x00\x00')
'PRIV:PeakValue:ΓΏ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Bring It On'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "It's Been So Long"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'HorrorPops'
'TRCK' (Track number/Position in set)               '4'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 (beta)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['female vocalists', 'punk rock', 'psychobilly', 'punk', 'rockabilly']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'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'                        '0.350437'

========================== row from database ==========================
                                              'id'  1512470
                                            'path'  /data/Music/Bulk/00poprockelectronic/Horrorpops/Bring It On/04 - It_s Been So Long.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  207
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  6001624
                                           'mtime'  1620525735
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Horrorpops 04 It_s rock rockabilly psychobilly
                                      'tag_artist'  HorrorPops
                                     'tag_release'  Bring It On
                                       'tag_title'  It's Been So Long
                                             'bpm'  145.685
                                    'search_title'  'been':4 'it':1 'its':3 'long':6 's':2 'so':5
                                   'search_artist'  'horror':2 'horrorpops':1 'pops':3
                                  'search_release'  'bring':1 'it':2 'on':3
                                     'search_rest'  '00poprockelectronic':1 'horrorpops':2 'it':3 'psychobilly':7 'rock':5 'rockabilly':6 's':4
                                    'search_combo'  '00poprockelectronic':13 'been':4A 'bring':10C 'horror':8B 'horrorpops':7B,14 'it':1A,11C,15 'its':3A 'long':6A 'on':12C 'pops':9B 'psychobilly':19 'rock':17 'rockabilly':18 's':2A,16 'so':5A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'punk rock', 'psychobilly', 'punk', 'rockabilly']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620525735.0602515  (2021-05-09 04:02:15)
                             'size'  6001624