======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '144'
                                          'artist'  'Peru'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  '5x8 40'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['indie pop', 'electronic', 'jangle', 'pop', 'italo disco']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc'
                                             'bpm'  '98.741'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '98.741'
'TCON' (Content type, a.k.a. Genre)                 'loc'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         '5x8 40'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Peru'
'TPE2' (Band/orchestra/accompaniment)               'Peru'
'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'                                   ['indie pop', 'electronic', 'jangle', 'pop', 'italo disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+10.92 dB'
'TXXX:replaygain_track_peak'                        '0.141784'

========================== row from database ==========================
                                              'id'  1330796
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Peru - 5X8 40 [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  144
                                           'genre'  loc
                                        'filesize'  3468507
                                           'mtime'  1630252580
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 5X8 [] loc
                                      'tag_artist'  Peru
                                     'tag_release'  None
                                       'tag_title'  5x8 40
                                             'bpm'  98.741
                                    'search_title'  '40':2 '5x8':1
                                   'search_artist'  'peru':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '5x8':7 'files':5,6 'loc':8 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':4 '40':2A '5x8':1A,10 'files':8,9 'loc':11 'loose':6,7 'peru':3B 'unsorted':5
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie pop', 'electronic', 'jangle', 'pop', 'italo disco']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1630252579.8977556  (2021-08-29 17:56:19)
                             'size'  3468507