======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '258'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'Heart'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '122.289'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '122.289'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Heart'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pet Shop Boys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.716675'

========================== row from database ==========================
                                              'id'  1523165
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Pet Shop Boys - Heart.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  258
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4130911
                                           'mtime'  1620569748
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of The 80_s electronic we disco or italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  Heart
                                             'bpm'  122.289
                                    'search_title'  'heart':1
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':4 'disco':8 'electronic':6 'italo':10 'of':2 'or':9 's':5 'the':3 'we':7
                                    'search_combo'  '00poprockelectronic':9 '80':12 '80s':8C 'boys':4B 'disco':16 'electronic':14 'heart':1A 'hits':5C 'italo':18 'of':6C,10 'or':17 'pet':2B 's':13 'shop':3B 'the':7C,11 'we':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569748.1684093  (2021-05-09 16:15:48)
                             'size'  4130911