======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '116'
                                          'artist'  "Dave's Travelers"
                                     'text_people'  ''
                                         'release'  "30 Manly 1950's Wild Rock & Roll Instrumentals"
                                           'title'  'Traveler Rock'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '112.8'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
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'TALB' (Album/Movie/Show title)                     "30 Manly 1950's Wild Rock & Roll Instrumentals"
'TBPM' (BPM (beats per minute))                     '112.8'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Traveler Rock'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '116426'
'TPE1' (Lead performer(s)/Soloist(s))               "Dave's Travelers"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Collector Records'
'TRCK' (Track number/Position in set)               '3'
'TXXX:BAND'                                         'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.47 dB'
'TXXX:replaygain_track_peak'                        '0.580685'

========================== row from database ==========================
                                              'id'  1523330
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Starfires - 50_s Surf & Other Instrumental Madness/va - 30 Manly 1950's Wild Rock & Roll Instrumentals/03 - Dave_s Travelers - Traveler Rock.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  116
                                           'genre'  rock-pop-surf
                                        'filesize'  4890767
                                           'mtime'  1620737168
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner The Starfires 50_s Surf Other Madness va 03 Dave_s rock pop surf
                                      'tag_artist'  Dave's Travelers
                                     'tag_release'  30 Manly 1950's Wild Rock & Roll Instrumentals
                                       'tag_title'  Traveler Rock
                                             'bpm'  112.8
                                    'search_title'  'rock':2 'traveler':1
                                   'search_artist'  'dave':1 'daves':3 's':2 'travelers':4
                                  'search_release'  '1950':3 '1950s':5 '30':1 'instrumentals':9 'manly':2 'rock':7 'roll':8 's':4 'wild':6
                                     'search_rest'  '50':7 'dave':12 'garage':2 'madness':10 'other':9 'pop':15 'punk':1 'rock':14 's':8,13 'starfires':6 'stoner':4 'surf':3 'the':5 'va':11
                                    'search_combo'  '1950':9C '1950s':11C '30':7C '50':22 'dave':3B,27 'daves':5B 'garage':17 'instrumentals':15C 'madness':25 'manly':8C 'other':24 'pop':30 'punk':16 'rock':2A,13C,29 'roll':14C 's':4B,10C,23,28 'starfires':21 'stoner':19 'surf':18 'the':20 'traveler':1A 'travelers':6B 'va':26 'wild':12C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737167.5603611  (2021-05-11 14:46:07)
                             'size'  4890767