======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '228'
                                          'artist'  'London Beat'
                                     'text_people'  ''
                                         'release'  "100 Hits Of The 90's Disc 2"
                                           'title'  "I've Been Thinking About You"
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', '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'  "['pop', 'dance', '90s', '80s', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '113.580'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "100 Hits Of The 90's Disc 2"
'TBPM' (BPM (beats per minute))                     '113.580'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         "I've Been Thinking About You"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'London Beat'
'TRCK' (Track number/Position in set)               '14'
'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:lastfmtags'                                   ['pop', 'dance', '90s', '80s', 'soul']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.421773'

========================== row from database ==========================
                                              'id'  1509904
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/14 - London Beat - I_ve Been Thinking About You.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  228
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  5487318
                                           'mtime'  1621696035
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 14 I_ve electronic generic or radio unsorted
                                      'tag_artist'  London Beat
                                     'tag_release'  100 Hits Of The 90's Disc 2
                                       'tag_title'  I've Been Thinking About You
                                             'bpm'  113.58
                                    'search_title'  'about':6 'been':4 'i':1 'ive':3 'thinking':5 've':2 'you':7
                                   'search_artist'  'beat':2 'london':1
                                  'search_release'  '100':1 '2':9 '90':5 '90s':7 'disc':8 'hits':2 'of':3 's':6 'the':4
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'electronic':5 'generic':6 'i':3 'or':7 'radio':8 'unsorted':9 've':4
                                    'search_combo'  '00poprockelectronic':19 '100':10C '2':18C '90':14C '90s':16C,20 'about':6A 'beat':9B 'been':4A 'disc':17C 'electronic':23 'generic':24 'hits':11C 'i':1A,21 'ive':3A 'london':8B 'of':12C 'or':25 'radio':26 's':15C 'the':13C 'thinking':5A 'unsorted':27 've':2A,22 'you':7A
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'dance', '90s', '80s', 'soul']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696035.3293192  (2021-05-22 17:07:15)
                             'size'  5487318