======================== unified (from filesystem) ========================
                                         'bitrate'  '248.451'
                                        'duration'  '112'
                                          'artist'  'The Sammy Burdson Group'
                                     'text_people'  ''
                                         'release'  'Space Fiction'
                                           'title'  'Frozen Silence'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '24'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '145.5'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000461 00000333 00001DA5 00002080 0000E4FA 000161E0 00005CAC 00005EE7 '
 '00017B63 0000E2A1')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000870 00000000004BA200 00000000 0036CF06 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Space Fiction'
'TBPM' (BPM (beats per minute))                     '145.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1980'
'TENC' (Encoded by)                                 'iTunes v7.7.1'
'TIT2' (Title/songname/content description)         'Frozen Silence'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Sammy Burdson Group'
'TPE2' (Band/orchestra/accompaniment)               'The Sammy Burdson Group'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sonoton'
'TRCK' (Track number/Position in set)               '19/24'
'TSO2'                                              'Sammy Burdson Group, The'
'TSOP' (Performer sort order)                       'Sammy Burdson Group, The'
'TXXX:Artists'                                      'The Sammy Burdson Group'
'TXXX:CATALOGNUMBER'                                'SON 106'
'TXXX:MusicBrainz Album Artist Id'                  '9b381871-1a37-466c-bf4a-62340deee1f4'
'TXXX:MusicBrainz Album Id'                         '692990e0-4bae-4bdb-8a07-5b26a2dab555'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'other'
'TXXX:MusicBrainz Artist Id'                        '9b381871-1a37-466c-bf4a-62340deee1f4'
'TXXX:MusicBrainz Release Group Id'                 '878ce3ca-0224-4408-a8d2-6838c50dec1c'
'TXXX:MusicBrainz Release Track Id'                 'e780dfd3-f50f-3304-902a-2f9bb4881bc7'
'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'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.78 dB'
'TXXX:replaygain_track_peak'                        '0.440187'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'505872ea-6da9-4f83-9227-0149d387e81a')

========================== row from database ==========================
                                              'id'  1388008
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/The Sammy Burdson Group (gerhard narholz) - space fiction (sonoton 1980) library music. germany/B7-FROZEN SILENCE.mp3
                                         'working'  None
                                         'bitrate'  248
                                    'duration_sec'  112
                                           'genre'  electronic
                                        'filesize'  3498624
                                           'mtime'  1636913492
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer (gerhard narholz) space fiction (sonoton 1980) library music. germany B7 FROZEN SILENCE electronic
                                      'tag_artist'  The Sammy Burdson Group
                                     'tag_release'  Space Fiction
                                       'tag_title'  Frozen Silence
                                             'bpm'  145.5
                                    'search_title'  'frozen':1 'silence':2
                                   'search_artist'  'burdson':3 'group':4 'sammy':2 'the':1
                                  'search_release'  'fiction':2 'space':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '1980':11,12 'b7':17 'electronic':20 'fiction':8 'frozen':18 'gerhard':3,4 'germany':16 'library':13 'music':14,15 'narholz':5,6 'silence':19 'sonoton':9,10 'space':7
                                    'search_combo'  '00calmer':10 '00poprockelectronic':9 '1980':19,20 'b7':25 'burdson':5B 'electronic':28 'fiction':8C,16 'frozen':1A,26 'gerhard':11,12 'germany':24 'group':6B 'library':21 'music':22,23 'narholz':13,14 'sammy':4B 'silence':2A,27 'sonoton':17,18 'space':7C,15 'the':3B
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913492.0769722  (2021-11-14 19:11:32)
                             'size'  3498624