======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '193'
                                          'artist'  'Shanks & Bigfoot'
                                     'text_people'  ''
                                         'release'  "100 Hits Of The 90'S"
                                           'title'  'Sweet Like Chocolate (Metro 7" Remix)   '
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['uk garage', '2step', 'british', 'dance', '2-step']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '49'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '86.920'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "100 Hits Of The 90'S"
'TBPM' (BPM (beats per minute))                     '86.920'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Sweet Like Chocolate (Metro 7" Remix)   '
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shanks & Bigfoot'
'TRCK' (Track number/Position in set)               '49'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['uk garage', '2step', 'british', 'dance', '2-step']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.60 dB'
'TXXX:replaygain_track_peak'                        '0.506293'

========================== row from database ==========================
                                              'id'  1311638
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/49 Sweet Like Chocolate.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  193
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  7757401
                                           'mtime'  1621696046
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 49 electronic generic or radio unsorted
                                      'tag_artist'  Shanks & Bigfoot
                                     'tag_release'  100 Hits Of The 90'S
                                       'tag_title'  Sweet Like Chocolate (Metro 7" Remix)   
                                             'bpm'  86.92
                                    'search_title'  '7':6 'chocolate':3 'like':2 'metro':4,5 'remix':7,8 'sweet':1
                                   'search_artist'  'bigfoot':2 'shanks':1
                                  'search_release'  '100':1 '90':5 '90s':7 'hits':2 'of':3 's':6 'the':4
                                     'search_rest'  '00poprockelectronic':1 '49':3 '90s':2 'electronic':4 'generic':5 'or':6 'radio':7 'unsorted':8
                                    'search_combo'  '00poprockelectronic':18 '100':11C '49':20 '7':6A '90':15C '90s':17C,19 'bigfoot':10B 'chocolate':3A 'electronic':21 'generic':22 'hits':12C 'like':2A 'metro':4A,5A 'of':13C 'or':23 'radio':24 'remix':7A,8A 's':16C 'shanks':9B 'sweet':1A 'the':14C 'unsorted':25
                                    'tag_tracknum'  49
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['uk garage', '2step', 'british', 'dance', '2-step']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696046.3684893  (2021-05-22 17:07:26)
                             'size'  7757401