======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '300'
                                          'artist'  'Quarterflash'
                                     'text_people'  ''
                                         'release'  'Back Into Blue'
                                           'title'  'Talk To Me'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['female vocalists', 'pop', 'american', 'rock', '80s', 'classic rock']"
                                     'discogstags'  "['rock', 'new wave', 'soft rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;set-pl-billboard'
                                             'bpm'  '144.955'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Back Into Blue'
'TBPM' (BPM (beats per minute))                     '144.955'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Talk To Me'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Quarterflash'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'new wave', 'soft rock', 'pop rock']
'TXXX:lastfmtags'                                   ['female vocalists', 'pop', 'american', 'rock', '80s', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.834163'

========================== row from database ==========================
                                              'id'  1282616
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/332 Quarterflash - Talk To Me.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  300
                                           'genre'  rock-unsorted;set-pl-billboard
                                        'filesize'  12026732
                                           'mtime'  1620389112
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 332 rock unsorted;set pl billboard
                                      'tag_artist'  Quarterflash
                                     'tag_release'  Back Into Blue
                                       'tag_title'  Talk To Me
                                             'bpm'  144.955
                                    'search_title'  'me':3 'talk':1 'to':2
                                   'search_artist'  'quarterflash':1
                                  'search_release'  'back':1 'blue':3 'into':2
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '332':4 'billboard':11 'complete':3 'pl':10 'rock':5 'set':7,9 'unsorted':6,8
                                    'search_combo'  '00poprockelectronic':8 '1985':9 '332':11 'back':5C 'billboard':18 'blue':7C 'complete':10 'into':6C 'me':3A 'pl':17 'quarterflash':4B 'rock':12 'set':14,16 'talk':1A 'to':2A 'unsorted':13,15
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'pop', 'american', 'rock', '80s', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  ['rock', 'new wave', 'soft rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1620389111.806661  (2021-05-07 14:05:11)
                             'size'  12026732