======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '171'
                                          'artist'  'Orgue Electronique'
                                     'text_people'  ''
                                         'release'  'Rare & Unreleased 1998-2004'
                                           'title'  'Between Don & Volga'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electro', 'electronic', 'minimal electro', 'analog']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '105.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000399 00000366 00001A4D 000018A7 00012899 00012899 00006F4B 00006FCC '
 '0000FA11 0000E84A')
'TALB' (Album/Movie/Show title)                     'Rare & Unreleased 1998-2004'
'TBPM' (BPM (beats per minute))                     '105.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Between Don & Volga'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '171066'
'TPE1' (Lead performer(s)/Soloist(s))               'Orgue Electronique'
'TPE2' (Band/orchestra/accompaniment)               'Orgue Electronique'
'TRCK' (Track number/Position in set)               '01'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.2 (http://www.mp3dev.org/)'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electro', 'electronic', 'minimal electro', 'analog']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.519339'

========================== row from database ==========================
                                              'id'  338698
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Orgue Electronique/Rare & Unreleased 1998-2004/01 Between Don & Volga.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  171
                                           'genre'  electronic-experimental
                                        'filesize'  6989291
                                           'mtime'  1636916964
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 01 electronic experimental
                                      'tag_artist'  Orgue Electronique
                                     'tag_release'  Rare & Unreleased 1998-2004
                                       'tag_title'  Between Don & Volga
                                             'bpm'  105.4
                                    'search_title'  'between':1 'don':2 'volga':3
                                   'search_artist'  'electronique':2 'orgue':1
                                  'search_release'  '1998':3 '19982004':5 '2004':4 'rare':1 'unreleased':2
                                     'search_rest'  'electronic':1 'experimental':2
                                    'search_combo'  '1998':8C '19982004':10C '2004':9C 'between':1A 'don':2A 'electronic':11 'electronique':5B 'experimental':12 'orgue':4B 'rare':6C 'unreleased':7C 'volga':3A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electro', 'electronic', 'minimal electro', 'analog']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636916964.4763095  (2021-11-14 20:09:24)
                             'size'  6989291