======================== unified (from filesystem) ========================
                                         'bitrate'  '199.538'
                                        'duration'  '239'
                                          'artist'  'Jennifer Lopez'
                                     'text_people'  ''
                                         'release'  'On the 6'
                                           'title'  "Let's get loud"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'rnb', 'latin', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '16'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '131.073'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'E410D210'
'COMM:ID3v1 Comment:XXX'                            'E410D210'
'TALB' (Album/Movie/Show title)                     'On the 6'
'TBPM' (BPM (beats per minute))                     '131.073'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         "Let's get loud"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jennifer Lopez'
'TRCK' (Track number/Position in set)               '5/16'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'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'                                   ['dance', 'rnb', 'latin', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.356773'

========================== row from database ==========================
                                              'id'  1502366
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jennifer Lopez/On the 6/Jennifer Lopez - Let_s Get Loud - 05.mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  239
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5973947
                                           'mtime'  1621696308
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Let_s Get Loud 05 electronic generic or radio dance
                                      'tag_artist'  Jennifer Lopez
                                     'tag_release'  On the 6
                                       'tag_title'  Let's get loud
                                             'bpm'  131.073
                                    'search_title'  'get':4 'let':1 'lets':3 'loud':5 's':2
                                   'search_artist'  'jennifer':1 'lopez':2
                                  'search_release'  '6':3 'on':1 'the':2
                                     'search_rest'  '00poprockelectronic':1 'dance':10 'electronic':6 'generic':7 'get':4 'let':2 'loud':5 'or':8 'radio':9 's':3
                                    'search_combo'  '00poprockelectronic':11 '6':10C 'dance':20 'electronic':16 'generic':17 'get':4A,14 'jennifer':6B 'let':1A,12 'lets':3A 'lopez':7B 'loud':5A,15 'on':8C 'or':18 'radio':19 's':2A,13 'the':9C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'rnb', 'latin', 'female vocalists', 'pop']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696307.8658266  (2021-05-22 17:11:47)
                             'size'  5973947