======================== unified (from filesystem) ========================
                                         'bitrate'  '171.613'
                                        'duration'  '127'
                                          'artist'  'Mr. Lee'
                                     'text_people'  ''
                                         'release'  'Office Naps Youtube Channel'
                                           'title'  "Mr. Lee's Plea "
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['house', 'acid house', 'chicago house', 'chicago', 'acid']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '91.1'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Office Naps Youtube Channel'
'TBPM' (BPM (beats per minute))                     '91.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         "Mr. Lee's Plea "
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mr. Lee'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'acid house', 'chicago house', 'chicago', 'acid']
'TXXX:other'                                        '92kbit_AAC)'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.367790'

========================== row from database ==========================
                                              'id'  1509624
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Office Naps Youtube Channel (Ripped 05 09 16)/Mr. Lee_ _Mr. Lee_s Plea_ (192kbit_AAC).mp3
                                         'working'  None
                                         'bitrate'  171
                                    'duration_sec'  127
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  2744777
                                           'mtime'  1620538942
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (Ripped 05 09 16) Lee_ _Mr. Lee_s Plea_ (192kbit_AAC) prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Mr. Lee
                                     'tag_release'  Office Naps Youtube Channel
                                       'tag_title'  Mr. Lee's Plea 
                                             'bpm'  91.1
                                    'search_title'  'lee':3 'lees':5 'mr':1,2 'plea':6 's':4
                                   'search_artist'  'lee':3 'mr':1,2
                                  'search_release'  'channel':4 'naps':2 'office':1 'youtube':3
                                     'search_rest'  '16':3,4 '192kbit':11,13 'aac':12,14 'bossa':21 'exotica':20 'jazz':17 'jb':16 'lee':5,8 'lounge':18 'mr':6,7 'or':19 'plea':10 'prerock':15 'ripped':1,2 's':9
                                    'search_combo'  '16':16,17 '192kbit':24,26 'aac':25,27 'bossa':34 'channel':13C 'exotica':33 'jazz':30 'jb':29 'lee':3A,9B,18,21 'lees':5A 'lounge':31 'mr':1A,2A,7B,8B,19,20 'naps':11C 'office':10C 'or':32 'plea':6A,23 'prerock':28 'ripped':14,15 's':4A,22 'youtube':12C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['house', 'acid house', 'chicago house', 'chicago', 'acid']
                                        'tag_date'  1960
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620538941.5470538  (2021-05-09 07:42:21)
                             'size'  2744777