======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '126'
                                          'artist'  'The Swanks'
                                     'text_people'  ''
                                         'release'  "30 Manly 1950's Wild Rock & Roll Instrumentals"
                                           'title'  'Ghost Train'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'surf rock', 'psychobilly', 'rockabilly', 'colorado']"
                                     'discogstags'  "['rock & roll', 'rock', 'rockabilly', 'garage rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '117.9'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x003\x003\x000\x005\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x005\x001\x003\x000\x009\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x003\x003\x000\x005\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x005\x001\x003\x000\x009\x004\x00\x00\x00')
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'PRIV:WM/WMCollectionID:1Ìú4"ï\x05H\x9d\x12\x80Wª¡¹´'  PRIV(owner='WM/WMCollectionID', data=b'1\xcc\xfa4"\xef\x05H\x9d\x12\x80W\xaa\xa1\xb9\xb4')
'PRIV:WM/WMContentID:\xa0 Oå»Q\x05@²Rk\x94\x89W\x16í'  PRIV(owner='WM/WMContentID', data=b'\xa0 O\xe5\xbbQ\x05@\xb2Rk\x94\x89W\x16\xed')
'TALB' (Album/Movie/Show title)                     "30 Manly 1950's Wild Rock & Roll Instrumentals"
'TBPM' (BPM (beats per minute))                     '117.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Ghost Train'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '126360'
'TPE1' (Lead performer(s)/Soloist(s))               'The Swanks'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Collector Records'
'TRCK' (Track number/Position in set)               '28'
'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-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock & roll', 'rock', 'rockabilly', 'garage rock']
'TXXX:lastfmtags'                                   ['surf', 'surf rock', 'psychobilly', 'rockabilly', 'colorado']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.315509'

========================== row from database ==========================
                                              'id'  1525419
                                            '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/28 - The Swanks - Ghost Train.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  126
                                           'genre'  rock-pop-surf
                                        'filesize'  5288516
                                           'mtime'  1620737185
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Starfires 50_s Surf Other Madness va 28 rock pop surf
                                      'tag_artist'  The Swanks
                                     'tag_release'  30 Manly 1950's Wild Rock & Roll Instrumentals
                                       'tag_title'  Ghost Train
                                             'bpm'  117.9
                                    'search_title'  'ghost':1 'train':2
                                   'search_artist'  'swanks':2 'the':1
                                  'search_release'  '1950':3 '1950s':5 '30':1 'instrumentals':9 'manly':2 'rock':7 'roll':8 's':4 'wild':6
                                     'search_rest'  '28':11 '50':6 'garage':2 'madness':9 'other':8 'pop':13 'punk':1 'rock':12 's':7 'starfires':5 'stoner':4 'surf':3 'va':10
                                    'search_combo'  '1950':7C '1950s':9C '28':24 '30':5C '50':19 'garage':15 'ghost':1A 'instrumentals':13C 'madness':22 'manly':6C 'other':21 'pop':26 'punk':14 'rock':11C,25 'roll':12C 's':8C,20 'starfires':18 'stoner':17 'surf':16 'swanks':4B 'the':3B 'train':2A 'va':23 'wild':10C
                                    'tag_tracknum'  28
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'surf rock', 'psychobilly', 'rockabilly', 'colorado']
                                        'tag_date'  1955
                                     'discogstags'  ['rock & roll', 'rock', 'rockabilly', 'garage rock']

============================== file details ==============================
                                           'mtime'  1620737184.7016325  (2021-05-11 14:46:24)
                             'size'  5288516