======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '245'
                                          'artist'  'C&C Music Factory'
                                     'text_people'  ''
                                         'release'  "90's Pop Hits"
                                           'title'  'Gonna Make You Sweat'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['90s', 'dance', 'house', 'pop', 'hip hop', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '144.028'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "90's Pop Hits"
'TBPM' (BPM (beats per minute))                     '144.028'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Gonna Make You Sweat'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'C&C Music Factory'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['90s', 'dance', 'house', 'pop', 'hip hop', 'electronic']
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.590601'

========================== row from database ==========================
                                              'id'  1338583
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/07. C+c Music Factory - Gonna Make You Sweat.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  245
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  3993640
                                           'mtime'  1621696019
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 07. C+c electronic generic radio unsorted
                                      'tag_artist'  C&C Music Factory
                                     'tag_release'  90's Pop Hits
                                       'tag_title'  Gonna Make You Sweat
                                             'bpm'  144.028
                                    'search_title'  'gonna':1 'make':2 'sweat':4 'you':3
                                   'search_artist'  'c':1,2 'cc':3 'factory':5 'music':4
                                  'search_release'  '90':1 '90s':3 'hits':5 'pop':4 's':2
                                     'search_rest'  '00poprockelectronic':1 '07':3,4 '90s':2 'c':5,6 'electronic':7 'generic':8 'radio':9 'unsorted':10
                                    'search_combo'  '00poprockelectronic':15 '07':17,18 '90':10C '90s':12C,16 'c':5B,6B,19,20 'cc':7B 'electronic':21 'factory':9B 'generic':22 'gonna':1A 'hits':14C 'make':2A 'music':8B 'pop':13C 'radio':23 's':11C 'sweat':4A 'unsorted':24 'you':3A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'dance', 'house', 'pop', 'hip hop', 'electronic']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696019.26628  (2021-05-22 17:06:59)
                             'size'  3993640