======================== unified (from filesystem) ========================
                                         'bitrate'  '197.05'
                                        'duration'  '108'
                                          'artist'  'Beastie Boys'
                                     'text_people'  'Frontline'
                                         'release'  'The Sounds Of Science (Disc 2)'
                                           'title'  "Time For Livin'"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative', 'hip hop', 'rap', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '21'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '143.1'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Sounds Of Science (Disc 2)'
'TBPM' (BPM (beats per minute))                     '143.1'
'TCOM' (Composer)                                   'Frontline'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         "Time For Livin'"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beastie Boys'
'TPE2' (Band/orchestra/accompaniment)               'Beastie Boys'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '5/21'
'TXXX:Encoding Params'                              'vers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:iTunes_CDDB_IDs'                              '21+EFCCB3B35363DD9A193030FA7F1C8952+667256'
'TXXX:lastfmtags'                                   ['alternative', 'hip hop', 'rap', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.60 dB'
'TXXX:replaygain_track_peak'                        '0.510957'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1509505
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Beastie Boys - The Sounds Of Science (Disc 2)/2-05 Time For Livin_.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  108
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  2682971
                                           'mtime'  1620586920
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 05 Livin_ hip hop rnb rap turntablism
                                      'tag_artist'  Beastie Boys
                                     'tag_release'  The Sounds Of Science (Disc 2)
                                       'tag_title'  Time For Livin'
                                             'bpm'  143.1
                                    'search_title'  'for':2 'livin':3,4 'time':1
                                   'search_artist'  'beastie':1 'boys':2
                                  'search_release'  '2':7,8 'disc':5,6 'of':3 'science':4 'sounds':2 'the':1
                                     'search_rest'  'hip':6 'hiphop':1 'hop':7 'livin':5 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '2':13C,14C 'beastie':5B 'boys':6B 'disc':11C,12C 'for':2A 'hip':20 'hiphop':15 'hop':21 'livin':3A,4A,19 'of':9C 'rap':16 'rnb':17 'science':10C 'sounds':8C 'the':7C 'time':1A 'turntablism':18
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'hip hop', 'rap', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586919.7402146  (2021-05-09 21:01:59)
                             'size'  2682971