======================== unified (from filesystem) ========================
                                         'bitrate'  '208.532'
                                        'duration'  '247'
                                          'artist'  'Paula Abdul'
                                     'text_people'  ''
                                         'release'  'The Must-Have Hits'
                                           'title'  'Straight Up'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'dance', 'female vocalists', 'pop', '90s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '95.845'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Must-Have Hits'
'TBPM' (BPM (beats per minute))                     '95.845'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Straight Up'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Paula Abdul'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'dance', 'female vocalists', 'pop', '90s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.63 dB'
'TXXX:replaygain_track_peak'                        '0.440374'

========================== row from database ==========================
                                              'id'  1354205
                                            'path'  /data/Music/Bulk/00poprockelectronic/80s_-_The_Must-Have_Hits-2006/13-paula_abdul_-_straight_up-ysp.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  247
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  6443341
                                           'mtime'  1621696009
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 80s_ _The_Must Have_Hits 2006 13 paula_abdul_ _straight_up ysp electronic generic or radio dance
                                      'tag_artist'  Paula Abdul
                                     'tag_release'  The Must-Have Hits
                                       'tag_title'  Straight Up
                                             'bpm'  95.845
                                    'search_title'  'straight':1 'up':2
                                   'search_artist'  'abdul':2 'paula':1
                                  'search_release'  'have':3 'hits':5 'must':2 'musthave':4 'the':1
                                     'search_rest'  '00poprockelectronic':1 '2006':7 '80s':2 'abdul':9 'dance':17 'electronic':13 'generic':14 'have':5 'hits':6 'must':4 'or':15 'paula':8 'radio':16 'straight':10 'the':3 'up':11 'ysp':12
                                    'search_combo'  '00poprockelectronic':10 '2006':16 '80s':11 'abdul':4B,18 'dance':26 'electronic':22 'generic':23 'have':7C,14 'hits':9C,15 'must':6C,13 'musthave':8C 'or':24 'paula':3B,17 'radio':25 'straight':1A,19 'the':5C,12 'up':2A,20 'ysp':21
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  7A
                                           '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-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'dance', 'female vocalists', 'pop', '90s']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696008.682863  (2021-05-22 17:06:48)
                             'size'  6443341