======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '192'
                                          'artist'  'Starland Vocal Band'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1976'
                                           'title'  'Afternoon Delight'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['oldies', 'pop', '70s', 'soundtrack', 'soft rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;rock-cppex;set-pl-billboard'
                                             'bpm'  '145.685'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1976'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'rock-cppex', 'set-pl-billboard']
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Afternoon Delight'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Starland Vocal Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'pop', '70s', 'soundtrack', 'soft rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.86 dB'
'TXXX:replaygain_track_peak'                        '0.583421'

========================== row from database ==========================
                                              'id'  1324285
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1976/012 - Starland Vocal Band - Afternoon Delight.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  192
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex;set-pl-billboard
                                        'filesize'  3861966
                                           'mtime'  1678463080
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 012 electronic generic or radio unsorted;rock cppex;set pl billboard
                                      'tag_artist'  Starland Vocal Band
                                     'tag_release'  Billboard Top Pop Singles of 1976
                                       'tag_title'  Afternoon Delight
                                             'bpm'  145.685
                                    'search_title'  'afternoon':1 'delight':2
                                   'search_artist'  'band':3 'starland':1 'vocal':2
                                  'search_release'  '1976':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 'billboard':16 'cppex':11,13 'electronic':3 'generic':4 'or':5 'pl':15 'radio':6 'rock':8,10 'set':12,14 'top100':2 'unsorted':7,9
                                    'search_combo'  '00poprockelectronic':12 '1976':11C 'afternoon':1A 'band':5B 'billboard':6C,27 'cppex':22,24 'delight':2A 'electronic':14 'generic':15 'of':10C 'or':16 'pl':26 'pop':8C 'radio':17 'rock':19,21 'set':23,25 'singles':9C 'starland':3B 'top':7C 'top100':13 'unsorted':18,20 'vocal':4B
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['oldies', 'pop', '70s', 'soundtrack', 'soft rock', 'classic rock']
                                        'tag_date'  1976
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678463080.4457552  (2023-03-10 16:44:40)
                             'size'  3861966