======================== unified (from filesystem) ========================
                                         'bitrate'  '209.16'
                                        'duration'  '111'
                                          'artist'  'Buzzcocks'
                                     'text_people'  ''
                                         'release'  'Singles Going Steady'
                                           'title'  'Love You More'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['new wave', 'punk rock', 'punk', 'british', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '117.535'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Singles Going Steady'
'TBPM' (BPM (beats per minute))                     '117.535'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'Love You More'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Buzzcocks'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['new wave', 'punk rock', 'punk', 'british', 'rock']
'TXXX:original release date'                        ['1981', '1979']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.503590'

========================== row from database ==========================
                                              'id'  1388906
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Buzzcocks/Love You More.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  111
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  2905574
                                           'mtime'  1620572478
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted electronic we new wave post punk
                                      'tag_artist'  Buzzcocks
                                     'tag_release'  Singles Going Steady
                                       'tag_title'  Love You More
                                             'bpm'  117.535
                                    'search_title'  'love':1 'more':3 'you':2
                                   'search_artist'  'buzzcocks':1
                                  'search_release'  'going':2 'singles':1 'steady':3
                                     'search_rest'  '00poprockelectronic':1 'electronic':3 'new':5 'post':7 'punk':8 'unsorted':2 'wave':6 'we':4
                                    'search_combo'  '00poprockelectronic':8 'buzzcocks':4B 'electronic':10 'going':6C 'love':1A 'more':3A 'new':12 'post':14 'punk':15 'singles':5C 'steady':7C 'unsorted':9 'wave':13 'we':11 'you':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['new wave', 'punk rock', 'punk', 'british', 'rock']
                                        'tag_date'  1979
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620572478.3874078  (2021-05-09 17:01:18)
                             'size'  2905574