======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '249'
                                          'artist'  'Swiss Lips'
                                     'text_people'  ''
                                         'release'  'SWISS LIPS'
                                           'title'  'GROW'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', "
 "'q-other-4', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'dance', 'electronic', 'british', 'electropop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '134.199'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'SWISS LIPS'
'TBPM' (BPM (beats per minute))                     '134.199'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'GROW'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Swiss Lips'
'TRCK' (Track number/Position in set)               '1'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['indie', 'dance', 'electronic', 'british', 'electropop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+19.62 dB'
'TXXX:replaygain_track_peak'                        '0.034114'

========================== row from database ==========================
                                              'id'  1305624
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/swisslips_grow.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  249
                                           'genre'  electronic-generic or radio
                                        'filesize'  9981686
                                           'mtime'  1630250292
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] swisslips_grow electronic generic or radio
                                      'tag_artist'  Swiss Lips
                                     'tag_release'  SWISS LIPS
                                       'tag_title'  GROW
                                             'bpm'  134.199
                                    'search_title'  'grow':1
                                   'search_artist'  'lips':2 'swiss':1
                                  'search_release'  'lips':2 'swiss':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'files':5,6 'generic':10 'grow':8 'loose':3,4 'or':11 'radio':12 'swisslips':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':6 'electronic':14 'files':10,11 'generic':15 'grow':1A,13 'lips':3B,5C 'loose':8,9 'or':16 'radio':17 'swiss':2B,4C 'swisslips':12 'unsorted':7
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'dance', 'electronic', 'british', 'electropop']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1630250291.9571974  (2021-08-29 17:18:11)
                             'size'  9981686