======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '214'
                                          'artist'  'TLC'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'No Scrubs (1999)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', '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-2']")
                                      'lastfmtags'  "['rnb', 'female vocalists', 'hip hop', 'pop', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or radio-unsorted;hip hop or rnb or rap or '
 'turntablism;set-pl-billboard')
                                             'bpm'  '92.985'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '92.985'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'hip hop or rnb or rap or turntablism',
 'set-pl-billboard']
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'No Scrubs (1999)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'TLC'
'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'                                   ['rnb', 'female vocalists', 'hip hop', 'pop', '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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.15 dB'
'TXXX:replaygain_track_peak'                        '0.980931'

========================== row from database ==========================
                                              'id'  1331155
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/191 - TLC - No Scrubs (1999).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  214
                                           'genre'  electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism;set-pl-billboard
                                        'filesize'  3433120
                                           'mtime'  1620533349
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 191 electronic generic or radio unsorted;hip hop or rnb or rap or turntablism;set pl billboard
                                      'tag_artist'  TLC
                                     'tag_release'  None
                                       'tag_title'  No Scrubs (1999)
                                             'bpm'  92.985
                                    'search_title'  '1999':3,4 'no':1 'scrubs':2
                                   'search_artist'  'tlc':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '191':3 '90s':2 'billboard':20 'electronic':4 'generic':5 'hip':9,11 'hop':12 'or':6 'pl':19 'radio':7 'rap':14 'rnb':13 'set':16,18 'turntablism':15,17 'unsorted':8,10
                                    'search_combo'  '00poprockelectronic':6 '191':8 '1999':3A,4A '90s':7 'billboard':25 'electronic':9 'generic':10 'hip':14,16 'hop':17 'no':1A 'or':11 'pl':24 'radio':12 'rap':19 'rnb':18 'scrubs':2A 'set':21,23 'tlc':5B 'turntablism':20,22 'unsorted':13,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-2', '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-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'female vocalists', 'hip hop', 'pop', 'soul']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533349.177204  (2021-05-09 06:09:09)
                             'size'  3433120