======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '243'
                                          'artist'  'Howard Jones'
                                     'text_people'  ''
                                         'release'  'The Best of Howard Jones'
                                           'title'  'Look Mama'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'synth pop', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '117.398'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Best of Howard Jones'
'TBPM' (BPM (beats per minute))                     '117.398'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Look Mama'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Howard Jones'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'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', 'synth pop', 'pop', 'synthpop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.06 dB'
'TXXX:replaygain_track_peak'                        '0.637118'

========================== row from database ==========================
                                              'id'  1350169
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Best of 70 80 & 90s - 211 Hits (6CDS)/Howard Jones - Look Mama.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  243
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3896746
                                           'mtime'  1620572208
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 70 80 & 90s 211 Hits (6CDS) electronic we new wave or post punk
                                      'tag_artist'  Howard Jones
                                     'tag_release'  The Best of Howard Jones
                                       'tag_title'  Look Mama
                                             'bpm'  117.398
                                    'search_title'  'look':1 'mama':2
                                   'search_artist'  'howard':1 'jones':2
                                  'search_release'  'best':2 'howard':4 'jones':5 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 '211':5 '6cds':7,8 '70':2 '80':3 '90s':4 'electronic':9 'hits':6 'new':11 'or':13 'post':14 'punk':15 'wave':12 'we':10
                                    'search_combo'  '00poprockelectronic':10 '211':14 '6cds':16,17 '70':11 '80':12 '90s':13 'best':6C 'electronic':18 'hits':15 'howard':3B,8C 'jones':4B,9C 'look':1A 'mama':2A 'new':20 'of':7C 'or':22 'post':23 'punk':24 'the':5C 'wave':21 'we':19
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', '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-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'synth pop', 'pop', 'synthpop']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572208.0529888  (2021-05-09 16:56:48)
                             'size'  3896746