======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '273'
                                          'artist'  'Fugees'
                                     'text_people'  ''
                                         'release'  "100 Hits Of The 90'S"
                                           'title'  'No Woman, No Cry   '
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'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-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'hip hop', 'rap', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '44'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism'
                                             'bpm'  '89.021'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "100 Hits Of The 90'S"
'TBPM' (BPM (beats per minute))                     '89.021'
'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 Woman, No Cry   '
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Fugees'
'TRCK' (Track number/Position in set)               '44'
'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', 'hip hop', 'rap', 'soul']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.79 dB'
'TXXX:replaygain_track_peak'                        '0.493989'

========================== row from database ==========================
                                              'id'  1290615
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/44 No Woman, No Cry.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  273
                                           'genre'  electronic-generic or radio-unsorted;hip hop or rnb or rap or turntablism
                                        'filesize'  10926577
                                           'mtime'  1620566698
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 44 electronic generic or radio unsorted;hip hop or rnb or rap or turntablism
                                      'tag_artist'  Fugees
                                     'tag_release'  100 Hits Of The 90'S
                                       'tag_title'  No Woman, No Cry   
                                             'bpm'  89.021
                                    'search_title'  'cry':4 'no':1 'woman':2,3
                                   'search_artist'  'fugees':1
                                  'search_release'  '100':1 '90':5 '90s':7 'hits':2 'of':3 's':6 'the':4
                                     'search_rest'  '00poprockelectronic':1 '44':3 '90s':2 'electronic':4 'generic':5 'hip':9,11 'hop':12 'or':6 'radio':7 'rap':14 'rnb':13 'turntablism':15 'unsorted':8,10
                                    'search_combo'  '00poprockelectronic':13 '100':6C '44':15 '90':10C '90s':12C,14 'cry':4A 'electronic':16 'fugees':5B 'generic':17 'hip':21,23 'hits':7C 'hop':24 'no':1A 'of':8C 'or':18 'radio':19 'rap':26 'rnb':25 's':11C 'the':9C 'turntablism':27 'unsorted':20,22 'woman':2A,3A
                                    'tag_tracknum'  44
                                      'num_images'  0
                                             'key'  8B
                                           '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-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'hip hop', 'rap', 'soul']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620566697.762173  (2021-05-09 15:24:57)
                             'size'  10926577