======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '463'
                                          'artist'  'LCD Soundsystem'
                                     'text_people'  ''
                                         'release'  'Losing My Edge'
                                           'title'  'Losing My Edge'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'dance', 'alternative', 'electronica', 'electronic']"
                                     'discogstags'  "['techno', 'electro', 'experimental', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '117.5'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Losing My Edge'
'TBPM' (BPM (beats per minute))                     '117.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Losing My Edge'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'LCD Soundsystem'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['techno', 'electro', 'experimental', 'electronic']
'TXXX:lastfmtags'                                   ['indie', 'dance', 'alternative', 'electronica', 'electronic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.840696'

========================== row from database ==========================
                                              'id'  1528245
                                            'path'  /data/Music/Bulk/00poprockelectronic/LCD soundsystem/lcd soundsystem - losing my edge 12__/01 - losing my edge.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  463
                                           'genre'  electronic-unsorted
                                        'filesize'  11131955
                                           'mtime'  1621696324
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic soundsystem lcd soundsystem losing my edge 12__ 01 losing my edge electronic unsorted
                                      'tag_artist'  LCD Soundsystem
                                     'tag_release'  Losing My Edge
                                       'tag_title'  Losing My Edge
                                             'bpm'  117.5
                                    'search_title'  'edge':3 'losing':1 'my':2
                                   'search_artist'  'lcd':1 'soundsystem':2
                                  'search_release'  'edge':3 'losing':1 'my':2
                                     'search_rest'  '00poprockelectronic':1 '12':7 'edge':6 'electronic':8 'lcd':3 'losing':4 'my':5 'soundsystem':2 'unsorted':9
                                    'search_combo'  '00poprockelectronic':9 '12':15 'edge':3A,8C,14 'electronic':16 'lcd':4B,11 'losing':1A,6C,12 'my':2A,7C,13 'soundsystem':5B,10 'unsorted':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'dance', 'alternative', 'electronica', 'electronic']
                                        'tag_date'  2002
                                     'discogstags'  ['techno', 'electro', 'experimental', 'electronic']

============================== file details ==============================
                                           'mtime'  1621696324.3058612  (2021-05-22 17:12:04)
                             'size'  11131955