======================== unified (from filesystem) ========================
                                         'bitrate'  '174.357'
                                        'duration'  '166'
                                          'artist'  'The Pace Makers'
                                     'text_people'  ''
                                         'release'  'Office Naps Youtube Channel'
                                           'title'  'Take Off '
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['surf', 'rock', 'mod']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '103.5'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Office Naps Youtube Channel'
'TBPM' (BPM (beats per minute))                     '103.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Take Off '
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Pace Makers'
'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'                                  ['surf', 'rock', 'mod']
'TXXX:other'                                        '92kbit_AAC)'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.97 dB'
'TXXX:replaygain_track_peak'                        '0.332100'

========================== row from database ==========================
                                              'id'  1120020
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Office Naps Youtube Channel (Ripped 05 09 16)/The Pace Makers_ _Take Off_ (192kbit_AAC).mp3
                                         'working'  None
                                         'bitrate'  174
                                    'duration_sec'  166
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3640917
                                           'mtime'  1620539010
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (Ripped 05 09 16) Makers_ _Take Off_ (192kbit_AAC) prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  The Pace Makers
                                     'tag_release'  Office Naps Youtube Channel
                                       'tag_title'  Take Off 
                                             'bpm'  103.5
                                    'search_title'  'off':2 'take':1
                                   'search_artist'  'makers':3 'pace':2 'the':1
                                  'search_release'  'channel':4 'naps':2 'office':1 'youtube':3
                                     'search_rest'  '16':3,4 '192kbit':8,10 'aac':9,11 'bossa':18 'exotica':17 'jazz':14 'jb':13 'lounge':15 'makers':5 'off':7 'or':16 'prerock':12 'ripped':1,2 'take':6
                                    'search_combo'  '16':12,13 '192kbit':17,19 'aac':18,20 'bossa':27 'channel':9C 'exotica':26 'jazz':23 'jb':22 'lounge':24 'makers':5B,14 'naps':7C 'off':2A,16 'office':6C 'or':25 'pace':4B 'prerock':21 'ripped':10,11 'take':1A,15 'the':3B 'youtube':8C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  ['surf', 'rock', 'mod']

============================== file details ==============================
                                           'mtime'  1620539009.8001823  (2021-05-09 07:43:29)
                             'size'  3640917