======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '1182'
                                          'artist'  'Electric Moon'
                                     'text_people'  ''
                                         'release'  'The Doomsday Machine'
                                           'title'  'Stardust Service'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['krautrock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '5'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic-space;set-pl-progspace'
                                             'bpm'  '140'
                                             'key'  '6A'
                                        'acoustid'  '8867d67a-9087-4aef-a02d-c0aef19fa4f1'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Doomsday Machine'
'TBPM' (BPM (beats per minute))                     '140'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic-space', 'set-pl-progspace', 'set-pl-progspace']
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2015-05-15'
'TIT2' (Title/songname/content description)         'Stardust Service'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Electric Moon'
'TPE2' (Band/orchestra/accompaniment)               'Electric Moon'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '4/5'
'TSO2'                                              'Electric Moon'
'TSOP' (Performer sort order)                       'Electric Moon'
'TXXX:Acoustid Id'                                  '8867d67a-9087-4aef-a02d-c0aef19fa4f1'
'TXXX:Artists'                                      'Electric Moon'
'TXXX:ENCODER'                                      'X Lossless Decoder 20111211'
'TXXX:MusicBrainz Album Artist Id'                  '23e24bc1-d1c5-4a66-b59e-b6696501b999'
'TXXX:MusicBrainz Album Id'                         '4ae6b1be-d403-439f-8bcc-af5ec095ad8d'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '23e24bc1-d1c5-4a66-b59e-b6696501b999'
'TXXX:MusicBrainz Release Group Id'                 '69eb4c74-8d0e-41b7-a1f9-9ef8de41c34a'
'TXXX:MusicBrainz Release Track Id'                 'd2ffcdb9-2f7e-4775-bb31-3c897cd7dbd7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:iTunes_CDDB_1'                                '4312A705+358278+5+150+88406+112158+171793+260474'
'TXXX:lastfmtags'                                   ['krautrock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']
'TXXX:originalyear'                                 '2011'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.75 dB'
'TXXX:replaygain_track_peak'                        '0.368035'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8edf3927-3a60-4a77-ae7f-fc71918e98ef')

========================== row from database ==========================
                                              'id'  1416173
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Electric Moon - 2011 - The Doomsday Machine [Nasoni Rec., NASONI 118-2 CD]/04. Stardust Service.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  1182
                                           'genre'  rock-cppex-psychedelic-space;set-pl-progspace
                                        'filesize'  47403828
                                           'mtime'  1620736058
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 2011 [Nasoni Rec., NASONI 118 2 CD] 04. rock cppex psychedelic space;set pl progspace
                                      'tag_artist'  Electric Moon
                                     'tag_release'  The Doomsday Machine
                                       'tag_title'  Stardust Service
                                             'bpm'  140.0
                                    'search_title'  'service':2 'stardust':1
                                   'search_artist'  'electric':1 'moon':2
                                  'search_release'  'doomsday':2 'machine':3 'the':1
                                     'search_rest'  '04':11,12 '118':7 '2':8 '2011':2 'cd':9,10 'classicprogpsy':1 'cppex':14 'nasoni':3,4 'pl':20 'progspace':21 'psychedelic':15 'rec':5,6 'rock':13 'set':17,19 'space':16,18
                                    'search_combo'  '04':18,19 '118':14 '2':15 '2011':9 'cd':16,17 'classicprogpsy':8 'cppex':21 'doomsday':6C 'electric':3B 'machine':7C 'moon':4B 'nasoni':10,11 'pl':27 'progspace':28 'psychedelic':22 'rec':12,13 'rock':20 'service':2A 'set':24,26 'space':23,25 'stardust':1A 'the':5C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['krautrock', 'space rock', 'psychedelic rock', 'psychedelic', 'rock']
                                        'tag_date'  2015
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736058.4635706  (2021-05-11 14:27:38)
                             'size'  47403828