======================== unified (from filesystem) ========================
                                         'bitrate'  '230.492'
                                        'duration'  '389'
                                          'artist'  'Ateq'
                                     'text_people'  ''
                                         'release'  'Futur II'
                                           'title'  'Sar'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', "
 "'q-other-1', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['techno', 'electronic']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '3'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '125.006'
                                             'key'  '4A'
                                        'acoustid'  '73d8f4e6-2a9c-4ad6-a1c6-3e8ab5996652'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Futur II'
'TBPM' (BPM (beats per minute))                     '125.006'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDOR' (Original release time)                      '2012'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Sar'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ateq'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '4/6'
'TPUB' (Publisher)                                  'Giegling'
'TRCK' (Track number/Position in set)               '1/3'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Ateq'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 64bits version 3.98.2 (http://www.mp3dev.org/)'
'TXXX:Acoustid Id'                                  '73d8f4e6-2a9c-4ad6-a1c6-3e8ab5996652'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '66e74f35-4f80-462f-b9cf-5d2bb768725b'
'TXXX:MusicBrainz Album Type'                       'other'
'TXXX:MusicBrainz Artist Id'                        'e8df3aba-d8e1-4cb4-8948-33e6cbf1eea5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['techno', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.34 dB'
'TXXX:replaygain_track_peak'                        '0.973056'

========================== row from database ==========================
                                              'id'  1340692
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/giegling/Various ‎– Futur II [ Vinyl] (V0)/07 - Sar.mp3
                                         'working'  None
                                         'bitrate'  230
                                    'duration_sec'  389
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  11325440
                                           'mtime'  1621085225
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats giegling Various ‎– [ Vinyl] (V0) 07 electronic th techno minimal or deephouse
                                      'tag_artist'  Ateq
                                     'tag_release'  Futur II
                                       'tag_title'  Sar
                                             'bpm'  125.006
                                    'search_title'  'sar':1
                                   'search_artist'  'ateq':1
                                  'search_release'  'futur':1 'ii':2
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'deephouse':17 'electronic':12 'giegling':6 'harder':4 'house':3 'minimal':15 'or':16 'techno':14 'th':13 'v0':10,11 'various':7 'vinyl':8,9
                                    'search_combo'  '00poprockelectronic':5 '00techno':6 'ateq':2B 'beats':9 'deephouse':21 'electronic':16 'futur':3C 'giegling':10 'harder':8 'house':7 'ii':4C 'minimal':19 'or':20 'sar':1A 'techno':18 'th':17 'v0':14,15 'various':11 'vinyl':12,13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           '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-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['techno', 'electronic']
                                        'tag_date'  2012
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1621085224.7745671  (2021-05-15 15:27:04)
                             'size'  11325440