======================== unified (from filesystem) ========================
                                         'bitrate'  '232.361'
                                        'duration'  '216'
                                          'artist'  'The Pretenders'
                                     'text_people'  ''
                                         'release'  'Pretenders'
                                           'title'  'Precious'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'classic rock', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock', 'new wave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '89.731'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pretenders'
'TBPM' (BPM (beats per minute))                     '89.731'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Precious'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Pretenders'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock', 'new wave']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'classic rock', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.578070'

========================== row from database ==========================
                                              'id'  1289016
                                            'path'  /data/Music/Bulk/00poprockelectronic/album top 1000/0529 - Pretenders - Pretenders (1979)__cifs6f30.mp3
                                         'working'  None
                                         'bitrate'  232
                                    'duration_sec'  216
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  6286772
                                           'mtime'  1620573565
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic album top 1000 0529 (1979)__cifs6f30 electronic we new wave or post punk
                                      'tag_artist'  The Pretenders
                                     'tag_release'  Pretenders
                                       'tag_title'  Precious
                                             'bpm'  89.731
                                    'search_title'  'precious':1
                                   'search_artist'  'pretenders':2 'the':1
                                  'search_release'  'pretenders':1
                                     'search_rest'  '00poprockelectronic':1 '0529':5 '1000':4 '1979':6,8 'album':2 'cifs6f30':7,9 'electronic':10 'new':12 'or':14 'post':15 'punk':16 'top':3 'wave':13 'we':11
                                    'search_combo'  '00poprockelectronic':5 '0529':9 '1000':8 '1979':10,12 'album':6 'cifs6f30':11,13 'electronic':14 'new':16 'or':18 'post':19 'precious':1A 'pretenders':3B,4C 'punk':20 'the':2B 'top':7 'wave':17 'we':15
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'classic rock', 'female vocalists', 'rock']
                                        'tag_date'  1980
                                     'discogstags'  ['rock', 'alternative rock', 'new wave']

============================== file details ==============================
                                           'mtime'  1620573564.8131714  (2021-05-09 17:19:24)
                             'size'  6286772