======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '345'
                                          'artist'  'Steve Miller Band'
                                     'text_people'  ''
                                         'release'  'Young Hearts: Complete Greatest Hits'
                                           'title'  'Shubada Du Ma Ma'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rock', 'psychedelic', '70s', 'classic rock']"
                                     'discogstags'  "['rock', 'classic rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '22'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '101'
                                             'key'  '11B'
                                        'acoustid'  '56209f22-571b-43a3-b7fa-53075f83f699'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         '5D127516'
'COMM:ID3v1 Comment:XXX'                            '5D127516'
'TALB' (Album/Movie/Show title)                     'Young Hearts: Complete Greatest Hits'
'TBPM' (BPM (beats per minute))                     '101'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-classic', 'rock-cppex', 'rock-cppex-psychedelic']
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Shubada Du Ma Ma'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Steve Miller Band'
'TPE2' (Band/orchestra/accompaniment)               'Steve Miller Band'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Capitol Records'
'TRCK' (Track number/Position in set)               '15/22'
'TSO2'                                              'Miller, Steve, Band'
'TSOP' (Performer sort order)                       'Miller, Steve, Band'
'TXXX:Acoustid Id'                                  '56209f22-571b-43a3-b7fa-53075f83f699'
'TXXX:Artists'                                      'Steve Miller Band'
'TXXX:BARCODE'                                      '724359587929'
'TXXX:CATALOGNUMBER'                                '7243 5 95879 2 9'
'TXXX:MusicBrainz Album Artist Id'                  'e57f0cac-4f56-473c-8d7e-d93f753fd586'
'TXXX:MusicBrainz Album Id'                         '53955867-4532-4a0d-8a4b-c077a1e84f47'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'e57f0cac-4f56-473c-8d7e-d93f753fd586'
'TXXX:MusicBrainz Release Group Id'                 '20499101-fb7e-3dfe-91ee-9402de2e7a1a'
'TXXX:MusicBrainz Release Track Id'                 '32039e75-9a5e-3035-b311-38f2ed14c8b7'
'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'                                  ['rock', 'classic rock', 'pop rock']
'TXXX:lastfmtags'                                   ['80s', 'rock', 'psychedelic', '70s', 'classic rock']
'TXXX:mood'                                         'Acoustic/Not electronic/Not happy/Relaxed/Not party/Not aggressive/Not sad'
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.78 dB'
'TXXX:replaygain_track_peak'                        '0.461575'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'236741d2-8fd3-4773-aa81-7c2d0850a658')

========================== row from database ==========================
                                              'id'  1416583
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Steve Miller Band/Steve Miller Band-Young Hearts-Complete Greatest Hits-2003/15 shubada du ma ma.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  345
                                           'genre'  rock-cppex-classic;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  8357338
                                           'mtime'  1636301324
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 2003 15 shubada du ma ma rock cppex classic;rock cppex;rock cppex psychedelic
                                      'tag_artist'  Steve Miller Band
                                     'tag_release'  Young Hearts: Complete Greatest Hits
                                       'tag_title'  Shubada Du Ma Ma
                                             'bpm'  101.0
                                    'search_title'  'du':2 'ma':3 'shubada':1
                                   'search_artist'  'band':3 'miller':2 'steve':1
                                  'search_release'  'complete':4 'greatest':5 'hearts':2,3 'hits':6 'young':1
                                     'search_rest'  '2003':2 'classic':8,10 'classicprogpsy':1 'cppex':7,12,14 'du':4 'ma':5 'psychedelic':16 'rock':6,9,11,13,15 'shubada':3
                                    'search_combo'  '2003':14 'band':6B 'classic':20,22 'classicprogpsy':13 'complete':10C 'cppex':19,24,26 'du':2A,16 'greatest':11C 'hearts':8C,9C 'hits':12C 'ma':3A,17 'miller':5B 'psychedelic':28 'rock':18,21,23,25,27 'shubada':1A,15 'steve':4B 'young':7C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rock', 'psychedelic', '70s', 'classic rock']
                                        'tag_date'  1975
                                     'discogstags'  ['rock', 'classic rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636301324.2406054  (2021-11-07 17:08:44)
                             'size'  8357338