======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '271'
                                          'artist'  'Vanilla Ice'
                                     'text_people'  ''
                                         'release'  "Greatest Hits Of The 90's CD2"
                                           'title'  'Ice Ice Baby'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['90s', 'pop', 'hip hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism'
                                             'bpm'  '115.524'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Greatest Hits Of The 90's CD2"
'TBPM' (BPM (beats per minute))                     '115.524'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'hip hop or rnb or rap or turntablism']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Ice Ice Baby'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Vanilla Ice'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['90s', 'pop', 'hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.616886'

========================== row from database ==========================
                                              'id'  1510258
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/Greatest Hits Of The 90_s CD2 - 10 - Ice Ice Baby - Vanilla Ice.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  271
                                           'genre'  electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism
                                        'filesize'  10875255
                                           'mtime'  1620566838
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 90_s 10 electronic generic or radio unsorted;hip hop or rnb or rap or turntablism
                                      'tag_artist'  Vanilla Ice
                                     'tag_release'  Greatest Hits Of The 90's CD2
                                       'tag_title'  Ice Ice Baby
                                             'bpm'  115.524
                                    'search_title'  'baby':2 'ice':1
                                   'search_artist'  'ice':2 'vanilla':1
                                  'search_release'  '90':5 '90s':7 'cd2':8 'greatest':1 'hits':2 'of':3 's':6 'the':4
                                     'search_rest'  '00poprockelectronic':1 '90':3 '90s':2 'electronic':5 'generic':6 'hip':10,12 'hop':13 'or':7 'radio':8 'rap':15 'rnb':14 's':4 'turntablism':16 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':13 '90':9C,15 '90s':11C,14 'baby':2A 'cd2':12C 'electronic':17 'generic':18 'greatest':5C 'hip':22,24 'hits':6C 'hop':25 'ice':1A,4B 'of':7C 'or':19 'radio':20 'rap':27 'rnb':26 's':10C,16 'the':8C 'turntablism':28 'unsorted':21,23 'vanilla':3B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'pop', 'hip hop', 'rap']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620566838.26169  (2021-05-09 15:27:18)
                             'size'  10875255