======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '489'
                                          'artist'  'Telex'
                                     'text_people'  'Telex'
                                         'release'  "i don't like music (remixes)"
                                           'title'  'moskow diskow (glenn underground mix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['80s', 'new wave', 'electro', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '124.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     "i don't like music (remixes)"
'TBPM' (BPM (beats per minute))                     '124.9'
'TCOM' (Composer)                                   'Telex'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'moskow diskow (glenn underground mix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'telex'
'TPE2' (Band/orchestra/accompaniment)               'Telex'
'TPUB' (Publisher)                                  'SSR'
'TRCK' (Track number/Position in set)               '12'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electro', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.65 dB'
'TXXX:replaygain_track_peak'                        '0.720905'

========================== row from database ==========================
                                              'id'  1292060
                                            'path'  /data/Music/Bulk/00poprockelectronic/deep house/telex - moskow diskow (glenn underground mix).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  489
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  15672535
                                           'mtime'  1621085305
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic deep house telex electronic th techno minimal or deephouse
                                      'tag_artist'  Telex
                                     'tag_release'  i don't like music (remixes)
                                       'tag_title'  moskow diskow (glenn underground mix)
                                             'bpm'  124.9
                                    'search_title'  'diskow':2 'glenn':3,4 'mix':6,7 'moskow':1 'underground':5
                                   'search_artist'  'telex':1
                                  'search_release'  'don':2 'dont':4 'i':1 'like':5 'music':6 'remixes':7,8 't':3
                                     'search_rest'  '00poprockelectronic':1 'deep':2 'deephouse':10 'electronic':5 'house':3 'minimal':8 'or':9 'techno':7 'telex':4 'th':6
                                    'search_combo'  '00poprockelectronic':17 'deep':18 'deephouse':26 'diskow':2A 'don':10C 'dont':12C 'electronic':21 'glenn':3A,4A 'house':19 'i':9C 'like':13C 'minimal':24 'mix':6A,7A 'moskow':1A 'music':14C 'or':25 'remixes':15C,16C 't':11C 'techno':23 'telex':8B,20 'th':22 'underground':5A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8A
                                           '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-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electro', 'electronic', 'synthpop']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085304.5346124  (2021-05-15 15:28:24)
                             'size'  15672535