======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '191'
                                          'artist'  'the greek archives'
                                     'text_people'  ''
                                         'release'  'Songs Of The Underground Vol. 5'
                                           'title'  'O Lathremporos-Petropoulos'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '20'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'loc-eur-greece'
                                             'bpm'  '110.062'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000009B5 000009A4 00003B65'
'COMM:iTunNORM:eng'                                 (' 000009B5 000009A4 00003B65 00005ED0 000004CB 000004CB 00006B05 00007076 '
 '00005ECB 00000187')
'COMM:iTunes_CDDB_IDs:eng'                          '20+CF623DBF0F6514463746B207C062ED82+1933834'
'TALB' (Album/Movie/Show title)                     'Songs Of The Underground Vol. 5'
'TBPM' (BPM (beats per minute))                     '110.062'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-greece'
'TDRC' (Recording time)                             '1935'
'TENC' (Encoded by)                                 'iTunes v4.7.1'
'TIT2' (Title/songname/content description)         'O Lathremporos-Petropoulos'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'the greek archives'
'TRCK' (Track number/Position in set)               '9/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.524574'

========================== row from database ==========================
                                              'id'  1398559
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Greek Archives/Songs Of The Underground Vol. 5/09 O Lathremporos-Petropoulos.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  191
                                           'genre'  loc-eur-greece
                                        'filesize'  4601435
                                           'mtime'  1621627056
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe Greek Archives 09 loc eur greece
                                      'tag_artist'  the greek archives
                                     'tag_release'  Songs Of The Underground Vol. 5
                                       'tag_title'  O Lathremporos-Petropoulos
                                             'bpm'  110.062
                                    'search_title'  'lathremporos':2 'lathremporospetropoulos':4 'o':1 'petropoulos':3
                                   'search_artist'  'archives':3 'greek':2 'the':1
                                  'search_release'  '5':7 'of':2 'songs':1 'the':3 'underground':4 'vol':5,6
                                     'search_rest'  '00mid':1 'archives':5 'eur':7 'europe':3 'greece':8 'greek':4 'loc':6 'north':2
                                    'search_combo'  '00mid':15 '5':14C 'archives':7B,19 'eur':21 'europe':17 'greece':22 'greek':6B,18 'lathremporos':2A 'lathremporospetropoulos':4A 'loc':20 'north':16 'o':1A 'of':9C 'petropoulos':3A 'songs':8C 'the':5B,10C 'underground':11C 'vol':12C,13C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627056.2909563  (2021-05-21 21:57:36)
                             'size'  4601435