======================== unified (from filesystem) ========================
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                                        'duration'  '385'
                                          'artist'  'James Holden'
                                     'text_people'  'Alastair Douglas/R. Evans'
                                         'release'  'James Holden - Balance 005'
                                           'title'  'The Difference It Makes (Original mix)'
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                                      'lastfmtags'  "['progressive house', 'trance', 'techno', 'electronic', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '127.1'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'James Holden - Balance 005'
'TBPM' (BPM (beats per minute))                     '127.1'
'TCOM' (Composer)                                   'Alastair Douglas/R. Evans'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'The Difference It Makes (Original mix)'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The MFA'
'TPE2' (Band/orchestra/accompaniment)               'James Holden'
'TPUB' (Publisher)                                  'EQ'
'TRCK' (Track number/Position in set)               '01'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['progressive house', 'trance', 'techno', 'electronic', 'minimal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
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'TXXX:q-drums'                                      '4'
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'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.94 dB'
'TXXX:replaygain_track_peak'                        '0.518987'

========================== row from database ==========================
                                              'id'  1335898
                                            'path'  /data/Music/Bulk/00poprockelectronic/James Holden-Balance 005 - CD1/001-The_MFA-The_Difference_It_Makes_(Original_Mix).mp3
                                         'working'  None
                                         'bitrate'  252
                                    'duration_sec'  385
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  12170132
                                           'mtime'  1620570151
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic CD1 001 The_MFA The_Difference_It_Makes_(Original_Mix) electronic th techno minimal or deephouse
                                      'tag_artist'  James Holden
                                     'tag_release'  James Holden - Balance 005
                                       'tag_title'  The Difference It Makes (Original mix)
                                             'bpm'  127.1
                                    'search_title'  'difference':2 'it':3 'makes':4 'mix':7,8 'original':5,6 'the':1
                                   'search_artist'  'holden':2 'james':1
                                  'search_release'  'balance':3 'holden':2 'james':1
                                     'search_rest'  '00poprockelectronic':1 'cd1':2 'deephouse':22 'difference':6,12 'electronic':17 'it':7,13 'makes':8,14 'mfa':4 'minimal':20 'mix':10,16 'or':21 'original':9,15 'techno':19 'th':18 'the':3,5,11
                                    'search_combo'  '00poprockelectronic':14 'balance':13C 'cd1':15 'deephouse':35 'difference':2A,19,25 'electronic':30 'holden':10B,12C 'it':3A,20,26 'james':9B,11C 'makes':4A,21,27 'mfa':17 'minimal':33 'mix':7A,8A,23,29 'or':34 'original':5A,6A,22,28 'techno':32 'th':31 'the':1A,16,18,24
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive house', 'trance', 'techno', 'electronic', 'minimal']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620570150.8874261  (2021-05-09 16:22:30)
                             'size'  12170132