======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '375'
                                          'artist'  'Prodigy'
                                     'text_people'  ''
                                         'release'  "Fresh FM 90's Dance!"
                                           'title'  'No Good'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rave', 'electronic', 'hip hop', 'big beat', 'rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism'
                                             'bpm'  '145.267'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Fresh FM 90's Dance!"
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'hip hop or rnb or rap or turntablism']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'No Good'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prodigy'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['rave', 'electronic', 'hip hop', 'big beat', 'rap']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.27 dB'
'TXXX:replaygain_track_peak'                        '0.533537'

========================== row from database ==========================
                                              'id'  1307634
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/072 - Prodigy - No Good.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  375
                                           'genre'  electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism
                                        'filesize'  6009333
                                           'mtime'  1620566557
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 072 electronic generic or radio unsorted;hip hop or rnb or rap or turntablism
                                      'tag_artist'  Prodigy
                                     'tag_release'  Fresh FM 90's Dance!
                                       'tag_title'  No Good
                                             'bpm'  145.267
                                    'search_title'  'good':2 'no':1
                                   'search_artist'  'prodigy':1
                                  'search_release'  '90':3 '90s':5 'dance':6 'fm':2 'fresh':1 's':4
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'electronic':3 'generic':4 'hip':8,10 'hop':11 'or':5 'radio':6 'rap':13 'rnb':12 'turntablism':14 'unsorted':7,9
                                    'search_combo'  '00poprockelectronic':10 '90':6C '90s':8C,11 'dance':9C 'electronic':12 'fm':5C 'fresh':4C 'generic':13 'good':2A 'hip':17,19 'hop':20 'no':1A 'or':14 'prodigy':3B 'radio':15 'rap':22 'rnb':21 's':7C 'turntablism':23 'unsorted':16,18
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['rave', 'electronic', 'hip hop', 'big beat', 'rap']
                                        'tag_date'  1995
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620566556.7947953  (2021-05-09 15:22:36)
                             'size'  6009333