======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '254'
                                          'artist'  'Cameo'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  'Word Up!'
                                           'quals'  ("['Q-HAP-4', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'rnb', 'dance', 'soul', 'funk']"
                                     'discogstags'  "['funk / soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '116.320'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '116.320'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Word Up!'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cameo'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'funk']
'TXXX:lastfmtags'                                   ['80s', 'rnb', 'dance', 'soul', 'funk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.623254'

========================== row from database ==========================
                                              'id'  1341682
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Cameo__MBZ;#Cameo;#Greatest Hits;#01;#Word Up!.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  254
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  6117026
                                           'mtime'  1620572748
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Cameo__MBZ;#Cameo;#Greatest Hits;#01;#Word electronic we disco italo
                                      'tag_artist'  Cameo
                                     'tag_release'  Greatest Hits
                                       'tag_title'  Word Up!
                                             'bpm'  116.32
                                    'search_title'  'up':2 'word':1
                                   'search_artist'  'cameo':1
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  '00poprockelectronic':1 '01':16,19 'cameo':7,9,11,13 'disco':23 'electronic':21 'files':5,6 'greatest':10,14 'hits':15,18 'italo':24 'loose':3,4 'mbz':8,12 'unsorted':2 'we':22 'word':17,20
                                    'search_combo'  '00poprockelectronic':6 '01':21,24 'cameo':3B,12,14,16,18 'disco':28 'electronic':26 'files':10,11 'greatest':4C,15,19 'hits':5C,20,23 'italo':29 'loose':8,9 'mbz':13,17 'unsorted':7 'up':2A 'we':27 'word':1A,22,25
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-4', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'rnb', 'dance', 'soul', 'funk']
                                        'tag_date'  1998
                                     'discogstags'  ['funk / soul', 'funk']

============================== file details ==============================
                                           'mtime'  1620572748.1700668  (2021-05-09 17:05:48)
                             'size'  6117026