======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '187'
                                          'artist'  'K.C. And The Sunshine Band'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  '(Shake, Shake, Shake) Shake Yo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-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-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['disco', 'funk', '70s', 'dance', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '112.383'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1'
'TBPM' (BPM (beats per minute))                     '112.383'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         '(Shake, Shake, Shake) Shake Yo'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'K.C. And The Sunshine Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '26'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['disco', 'funk', '70s', 'dance', 'pop']
'TXXX:q-bass'                                       '3'
'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'                        '+0.90 dB'
'TXXX:replaygain_track_peak'                        '0.723725'

========================== row from database ==========================
                                              'id'  1319563
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1976/026 - KC & The Sunshine Band - (Shake, Shake, Shake) Shake Yo.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  187
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  3757498
                                           'mtime'  1621696118
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1976 026 KC & electronic generic or radio unsorted
                                      'tag_artist'  K.C. And The Sunshine Band
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  (Shake, Shake, Shake) Shake Yo
                                             'bpm'  112.383
                                    'search_title'  'shake':1,2,3 'yo':4
                                   'search_artist'  'and':4 'band':7 'c':2 'k':1 'kc':3 'sunshine':6 'the':5
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1976':3 'electronic':5 'generic':6 'kc':4 'or':7 'radio':8 'top100':2 'unsorted':9
                                    'search_combo'  '00poprockelectronic':18 '1':17C '1976':20 'and':8B 'band':11B 'billboard':12C 'c':6B 'electronic':22 'generic':23 'k':5B 'kc':7B,21 'of':16C 'or':24 'pop':14C 'radio':25 'shake':1A,2A,3A 'singles':15C 'sunshine':10B 'the':9B 'top':13C 'top100':19 'unsorted':26 'yo':4A
                                    'tag_tracknum'  26
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['disco', 'funk', '70s', 'dance', 'pop']
                                        'tag_date'  1976
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696117.682309  (2021-05-22 17:08:37)
                             'size'  3757498