======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '631'
                                          'artist'  'Florian Kupfer'
                                     'text_people'  ''
                                         'release'  'Dark Techno'
                                           'title'  'Reach Another System'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['house', 'deep house', 'techno', 'electronic', 'outsider house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '133.933'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Dark Techno'
'TBPM' (BPM (beats per minute))                     '133.933'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'Reach Another System'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Florian Kupfer'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'L.I.E.S.  (Long Island Electrical Systems)'
'TXXX:DISCOGS_ARTIST_ID'                            '3207569'
'TXXX:DISCOGS_CATALOG'                              'LIES045'
'TXXX:DISCOGS_COUNTRY'                              'US'
'TXXX:DISCOGS_LABEL_ID'                             '193472'
'TXXX:DISCOGS_ORIGINAL_TRACK_NUMBER'                '03'
'TXXX:DISCOGS_RATING'                               '4.42'
'TXXX:DISCOGS_RELEASED'                             '2014'
'TXXX:DISCOGS_RELEASE_ID'                           '5417947'
'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:STYLE'                                        'Techno'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'deep house', 'techno', 'electronic', 'outsider house']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.50 dB'
'TXXX:replaygain_track_peak'                        '0.590839'

========================== row from database ==========================
                                              'id'  1328654
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dark - Techno/Florian Kupfer - Reach Another System ss.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  631
                                           'genre'  electronic-th-techno
                                        'filesize'  25306176
                                           'mtime'  1620568836
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ss electronic techno
                                      'tag_artist'  Florian Kupfer
                                     'tag_release'  Dark Techno
                                       'tag_title'  Reach Another System
                                             'bpm'  133.933
                                    'search_title'  'another':2 'reach':1 'system':3
                                   'search_artist'  'florian':1 'kupfer':2
                                  'search_release'  'dark':1 'techno':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':3 'ss':2 'techno':4
                                    'search_combo'  '00poprockelectronic':8 'another':2A 'dark':6C 'electronic':10 'florian':4B 'kupfer':5B 'reach':1A 'ss':9 'system':3A 'techno':7C,11
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['house', 'deep house', 'techno', 'electronic', 'outsider house']
                                        'tag_date'  2014
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620568836.328569  (2021-05-09 16:00:36)
                             'size'  25306176