======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '274'
                                          'artist'  'Jon Secada'
                                     'text_people'  ''
                                         'release'  "Greatest Hits Of The 90's CD3"
                                           'title'  'Angel'
                                           'quals'  ("['Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-2', 'q-vocals-4', 'q-mixbeat-2', 'Q-PIANO-2']")
                                      'lastfmtags'  "['80s', '90s', 'latin', 'latin pop', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '100.856'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Greatest Hits Of The 90's CD3"
'TBPM' (BPM (beats per minute))                     '100.856'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Angel'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jon Secada'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', '90s', 'latin', 'latin pop', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.466833'

========================== row from database ==========================
                                              'id'  1513126
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/Greatest Hits Of The 90_s CD3 - 06 - Angel - Jon Secada.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  274
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  10979745
                                           'mtime'  1620384871
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 90_s 06 electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  Jon Secada
                                     'tag_release'  Greatest Hits Of The 90's CD3
                                       'tag_title'  Angel
                                             'bpm'  100.856
                                    'search_title'  'angel':1
                                   'search_artist'  'jon':1 'secada':2
                                  'search_release'  '90':5 '90s':7 'cd3':8 'greatest':1 'hits':2 'of':3 's':6 'the':4
                                     'search_rest'  '00poprockelectronic':1 '90':3 '90s':2 'billboard':14 'electronic':5 'generic':6 'or':7 'pl':13 'radio':8 's':4 'set':10,12 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':12 '90':8C,14 '90s':10C,13 'angel':1A 'billboard':25 'cd3':11C 'electronic':16 'generic':17 'greatest':4C 'hits':5C 'jon':2B 'of':6C 'or':18 'pl':24 'radio':19 's':9C,15 'secada':3B 'set':21,23 'the':7C 'unsorted':20,22
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', '90s', 'latin', 'latin pop', 'pop']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384870.697055  (2021-05-07 12:54:30)
                             'size'  10979745