======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '149'
                                          'artist'  'DJ /rupture'
                                     'text_people'  ''
                                         'release'  'Uproot'
                                           'title'  'Naked / Erhu Solo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['mashup', 'electronic', 'breakcore', 'experimental', 'ragga']"
                                     'discogstags'  ("['electronic', 'hip hop', 'reggae', 'leftfield', 'dub', 'grime', 'dubstep', "
 "'hip hop', 'ambient', 'dancehall']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '23'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '144.7'
                                             'key'  '1A'
                                        'acoustid'  '0979c633-2d49-47ac-a37a-d0129a14229c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B64 0000000000645A8C 00000000 0048C14F 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '2F0D3017+253371+23+150+9405+21749+31519+42545+49441+66442+74652+87041+92191+100261+112360+122395+135023+144779+153940+160511+182390+193575+206367+214551+227050+241726'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '18'
'TALB' (Album/Movie/Show title)                     'Uproot'
'TBPM' (BPM (beats per minute))                     '144.7'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-10-07'
'TIT2' (Title/songname/content description)         'Naked / Erhu Solo'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               ['Shackleton', 'Brent Arnold']
'TPE2' (Band/orchestra/accompaniment)               'DJ /rupture'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'The Agriculture'
'TRCK' (Track number/Position in set)               '18/23'
'TSO2'                                              'rupture, DJ'
'TSOP' (Performer sort order)                       ['Shackleton', 'Arnold, Brent']
'TXXX:ASIN'                                         'B001FBPSXW'
'TXXX:Acoustid Id'                                  '0979c633-2d49-47ac-a37a-d0129a14229c'
'TXXX:BARCODE'                                      '804879126720'
'TXXX:CATALOGNUMBER'                                'AG045'
'TXXX:MusicBrainz Album Artist Id'                  '1e80c4d4-5492-4417-bf99-21a08aba97df'
'TXXX:MusicBrainz Album Id'                         '19f42788-ff84-4858-8c32-939a1dff2e0f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6b9b48d9-e409-41a2-b007-e58521e17fc5/ca79a10e-79b2-4ed7-83da-918279af4255'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic',
 'hip hop',
 'reggae',
 'leftfield',
 'dub',
 'grime',
 'dubstep',
 'hip hop',
 'ambient',
 'dancehall']
'TXXX:lastfmtags'                                   ['mashup', 'electronic', 'breakcore', 'experimental', 'ragga']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.88 dB'
'TXXX:replaygain_track_peak'                        '0.254159'

========================== row from database ==========================
                                              'id'  1307145
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/DJ /rupture - 05 - 2008 - Uproot (MIX)/18 Shackleton - Brent Arnold - Naked - Erhu Solo.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  149
                                           'genre'  electronic
                                        'filesize'  4840314
                                           'mtime'  1636913104
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 05 2008 (MIX) 18 Shackleton Brent Arnold electronic
                                      'tag_artist'  DJ /rupture
                                     'tag_release'  Uproot
                                       'tag_title'  Naked / Erhu Solo
                                             'bpm'  144.7
                                    'search_title'  'erhu':2 'naked':1 'solo':3
                                   'search_artist'  'dj':1 'rupture':2,3
                                  'search_release'  'uproot':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '18':6 '2008':3 'arnold':9 'brent':8 'electronic':10 'mix':4,5 'shackleton':7
                                    'search_combo'  '00calmer':9 '00poprockelectronic':8 '18':13 '2008':10 'arnold':16 'brent':15 'dj':4B 'electronic':17 'erhu':2A 'mix':11,12 'naked':1A 'rupture':5B,6B 'shackleton':14 'solo':3A 'uproot':7C
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['mashup', 'electronic', 'breakcore', 'experimental', 'ragga']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'hip hop', 'reggae', 'leftfield', 'dub', 'grime', 'dubstep', 'hip hop', 'ambient', 'dancehall']

============================== file details ==============================
                                           'mtime'  1636913104.4257872  (2021-11-14 19:05:04)
                             'size'  4840314