======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '310'
                                          'artist'  'Erasure'
                                     'text_people'  ''
                                         'release'  'The Two Ring Circus'
                                           'title'  'Leave Me to Bleed (Vince Clark'
                                           'quals'  ("['Q-HAP-3', '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-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'scrubs', 'pop', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '110.302'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Two Ring Circus'
'TBPM' (BPM (beats per minute))                     '110.302'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Leave Me to Bleed (Vince Clark'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Erasure'
'TRCK' (Track number/Position in set)               '4'
'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:discogstags'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'scrubs', 'pop', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.743346'

========================== row from database ==========================
                                              'id'  1330884
                                            'path'  /data/Music/Bulk/00poprockelectronic/Erasure/Leave Me to Bleed (Vince ClarkeEric Radcliffe mix) (Erasure, The Two Ring Circus).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  310
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  4978170
                                           'mtime'  1622757468
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ClarkeEric Radcliffe mix) (Erasure, Circus) electronic we electropop or synthpop
                                      'tag_artist'  Erasure
                                     'tag_release'  The Two Ring Circus
                                       'tag_title'  Leave Me to Bleed (Vince Clark
                                             'bpm'  110.302
                                    'search_title'  'bleed':4 'clark':7 'leave':1 'me':2 'to':3 'vince':5,6
                                   'search_artist'  'erasure':1
                                  'search_release'  'circus':4 'ring':3 'the':1 'two':2
                                     'search_rest'  '00poprockelectronic':1 'circus':8,9 'clarke':15 'clarkeeric':2 'electronic':10 'electropop':12 'erasure':6,7 'eric':16 'mix':4,5 'or':13 'radcliffe':3 'synthpop':14 'we':11
                                    'search_combo'  '00poprockelectronic':13 'bleed':4A 'circus':12C,20,21 'clark':7A 'clarke':27 'clarkeeric':14 'electronic':22 'electropop':24 'erasure':8B,18,19 'eric':28 'leave':1A 'me':2A 'mix':16,17 'or':25 'radcliffe':15 'ring':11C 'synthpop':26 'the':9C 'to':3A 'two':10C 'vince':5A,6A 'we':23
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'scrubs', 'pop', 'synthpop']
                                        'tag_date'  1987
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1622757467.6175737  (2021-06-03 23:57:47)
                             'size'  4978170