======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '222'
                                          'artist'  'Bette Midler'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'The Rose'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-4', 'q-mixbeat-2', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['female vocalists', 'cover', 'pop', '80s', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;ifs-songwriter-pop'
                                             'bpm'  '132.966'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '132.966'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'ifs-songwriter-pop']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'The Rose'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bette Midler'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists', 'cover', 'pop', '80s', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.27 dB'
'TXXX:replaygain_track_peak'                        '0.541564'

========================== row from database ==========================
                                              'id'  1530173
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Bette Middler - The Rose.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  222
                                           'genre'  electronic-generic or radio-unsorted;ifs-songwriter-pop
                                        'filesize'  3563740
                                           'mtime'  1642097623
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of 80_s Middler electronic generic or radio unsorted;ifs songwriter pop
                                      'tag_artist'  Bette Midler
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  The Rose
                                             'bpm'  132.966
                                    'search_title'  'rose':2 'the':1
                                   'search_artist'  'bette':1 'midler':2
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':3 'electronic':6 'generic':7 'ifs':11,13 'middler':5 'of':2 'or':8 'pop':15 'radio':9 's':4 'songwriter':14 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':9 '80':11 '80s':8C 'bette':3B 'electronic':14 'generic':15 'hits':5C 'ifs':19,21 'middler':13 'midler':4B 'of':6C,10 'or':16 'pop':23 'radio':17 'rose':2A 's':12 'songwriter':22 'the':1A,7C 'unsorted':18,20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-4', 'q-mixbeat-2', 'Q-PIANO-3']
                                      'lastfmtags'  ['female vocalists', 'cover', 'pop', '80s', 'singer songwriter']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642097622.6067297  (2022-01-13 19:13:42)
                             'size'  3563740