======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '198'
                                          'artist'  'Sophie Ellis-Bextor'
                                     'text_people'  ''
                                         'release'  'Read My Lips'
                                           'title'  'Get Over You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-1', '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'  "['dance', 'electronic', 'female vocalists', 'british', 'pop']"
                                     'discogstags'  "['electronic', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '121.848'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Read My Lips'
'TBPM' (BPM (beats per minute))                     '121.848'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Get Over You'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sophie Ellis-Bextor'
'TRCK' (Track number/Position in set)               '11'
'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:discogstags'                                  ['electronic', 'house']
'TXXX:lastfmtags'                                   ['dance', 'electronic', 'female vocalists', 'british', 'pop']
'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'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.463925'

========================== row from database ==========================
                                              'id'  1293647
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sophie Ellis-Bextor/MBZ;#Sophie Ellis-Bextor;#McMusic 22;#11;#Get Over You.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  198
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  4765925
                                           'mtime'  1621696601
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Sophie Bextor;#McMusic 22;#11;#Get electronic generic radio dance
                                      'tag_artist'  Sophie Ellis-Bextor
                                     'tag_release'  Read My Lips
                                       'tag_title'  Get Over You
                                             'bpm'  121.848
                                    'search_title'  'get':1 'over':2 'you':3
                                   'search_artist'  'bextor':3 'ellis':2 'ellisbextor':4 'sophie':1
                                  'search_release'  'lips':3 'my':2 'read':1
                                     'search_rest'  '00poprockelectronic':1 '11':11,14 '22':10,13 'bextor':6,8,20,22 'dance':19 'electronic':16 'generic':17 'get':12,15 'mbz':2,4 'mc':21,23 'mcmusic':7,9 'music':24 'radio':18 'sophie':3,5
                                    'search_combo'  '00poprockelectronic':11 '11':21,24 '22':20,23 'bextor':6B,16,18,30,32 'dance':29 'electronic':26 'ellis':5B 'ellisbextor':7B 'generic':27 'get':1A,22,25 'lips':10C 'mbz':12,14 'mc':31,33 'mcmusic':17,19 'music':34 'my':9C 'over':2A 'radio':28 'read':8C 'sophie':4B,13,15 'you':3A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8A
                                           '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'  ['dance', 'electronic', 'female vocalists', 'british', 'pop']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'house']

============================== file details ==============================
                                           'mtime'  1621696601.151768  (2021-05-22 17:16:41)
                             'size'  4765925