======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '171'
                                          'artist'  'the greek archives'
                                     'text_people'  ''
                                         'release'  'Songs Of The Underground Vol. 5'
                                           'title'  "Barka Gialo ('Varka Yialo' - Boat On The Beach)"
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '20'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'loc-eur-greece'
                                             'bpm'  '108.879'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000623 00000617 000026F6'
'COMM:iTunNORM:eng'                                 (' 00000623 00000617 000026F6 000026BA 00024124 000240F0 0000628E 00006193 '
 '000247FA 0000CA58')
'COMM:iTunes_CDDB_IDs:eng'                          '20+CF623DBF0F6514463746B207C062ED82+1933834'
'TALB' (Album/Movie/Show title)                     'Songs Of The Underground Vol. 5'
'TBPM' (BPM (beats per minute))                     '108.879'
'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)         "Barka Gialo ('Varka Yialo' - Boat On The Beach)"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'the greek archives'
'TRCK' (Track number/Position in set)               '18/20'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.452201'

========================== row from database ==========================
                                              'id'  1517591
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Greek Archives/Songs Of The Underground Vol. 5/18 Barka Gialo (_Varka Yialo_ - Boat On The Beach).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  171
                                           'genre'  loc-eur-greece
                                        'filesize'  4127492
                                           'mtime'  1621627058
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe Greek Archives 18 (_Varka Yialo_ loc eur greece
                                      'tag_artist'  the greek archives
                                     'tag_release'  Songs Of The Underground Vol. 5
                                       'tag_title'  Barka Gialo ('Varka Yialo' - Boat On The Beach)
                                             'bpm'  108.879
                                    'search_title'  'barka':1 'beach':10,11 'boat':7 'gialo':2 'on':8 'the':9 'varka':3,4 'yialo':5,6
                                   '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 '18':6 'archives':5 'eur':11 'europe':3 'greece':12 'greek':4 'loc':10 'north':2 'varka':7,8 'yialo':9
                                    'search_combo'  '00mid':22 '18':27 '5':21C 'archives':14B,26 'barka':1A 'beach':10A,11A 'boat':7A 'eur':32 'europe':24 'gialo':2A 'greece':33 'greek':13B,25 'loc':31 'north':23 'of':16C 'on':8A 'songs':15C 'the':9A,12B,17C 'underground':18C 'varka':3A,4A,28,29 'vol':19C,20C 'yialo':5A,6A,30
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  4A
                                           '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627057.5646174  (2021-05-21 21:57:37)
                             'size'  4127492