======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '317'
                                          'artist'  'Ken Laszlo'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  '1, 2, 3, 4, 5, 6, 7, 8'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'dance', 'italo disco', 'disco']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '109.408'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '109.408'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         '1, 2, 3, 4, 5, 6, 7, 8'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ken Laszlo'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '4'
'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'                                   ['80s', 'dance', 'italo disco', 'disco']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.649188'

========================== row from database ==========================
                                              'id'  1313467
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/01 1, 2, 3, 4, 5, 6, 7, 8.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  317
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  7630288
                                           'mtime'  1620572515
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 01 electronic we disco or italo
                                      'tag_artist'  Ken Laszlo
                                     'tag_release'  None
                                       'tag_title'  1, 2, 3, 4, 5, 6, 7, 8
                                             'bpm'  109.408
                                    'search_title'  '1':1,2 '2':3,4 '3':5,6 '4':7,8 '5':9,10 '6':11,12 '7':13,14 '8':15
                                   'search_artist'  'ken':1 'laszlo':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'disco':9 'electronic':7 'files':5,6 'italo':11 'loose':3,4 'or':10 'unsorted':2 'we':8
                                    'search_combo'  '00poprockelectronic':18 '1':1A,2A '2':3A,4A '3':5A,6A '4':7A,8A '5':9A,10A '6':11A,12A '7':13A,14A '8':15A 'disco':26 'electronic':24 'files':22,23 'italo':28 'ken':16B 'laszlo':17B 'loose':20,21 'or':27 'unsorted':19 'we':25
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'dance', 'italo disco', 'disco']
                                        'tag_date'  1987
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620572514.5458357  (2021-05-09 17:01:54)
                             'size'  7630288