======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '199'
                                          'artist'  'lush'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'i wanna be your girlfriend'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', '4ad', 'shoegaze', 'britpop', 'dream pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '101.006'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '101.006'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TIT2' (Title/songname/content description)         'i wanna be your girlfriend'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'lush'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', '4ad', 'shoegaze', 'britpop', 'dream pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.428550'

========================== row from database ==========================
                                              'id'  1308636
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/lush - i wanna be your girlfriend.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  199
                                           'genre'  electronic-generic or radio
                                        'filesize'  3202509
                                           'mtime'  1630250400
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] electronic generic or radio
                                      'tag_artist'  lush
                                     'tag_release'  None
                                       'tag_title'  i wanna be your girlfriend
                                             'bpm'  101.006
                                    'search_title'  'be':3 'girlfriend':5 'i':1 'wanna':2 'your':4
                                   'search_artist'  'lush':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'files':5,6 'generic':8 'loose':3,4 'or':9 'radio':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'be':3A 'electronic':13 'files':11,12 'generic':14 'girlfriend':5A 'i':1A 'loose':9,10 'lush':6B 'or':15 'radio':16 'unsorted':8 'wanna':2A 'your':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', '4ad', 'shoegaze', 'britpop', 'dream pop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630250400.3265176  (2021-08-29 17:20:00)
                             'size'  3202509