======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '224'
                                          'artist'  'Warren Zevon'
                                     'text_people'  'David Lindell/Warren Zevon'
                                         'release'  'Genius: The Best of Warren Zevon'
                                           'title'  'Roland the Headless Thompson Gunner'
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                                      'lastfmtags'  "['classic rock', 'alternative', 'rock', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '22'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;rock-cppex;ifs-songwriter-folk;ifs-songwriter-rock'
                                             'bpm'  '107.492'
                                             'key'  '10A'
                                        'acoustid'  '9121ff37-b383-48d8-bb26-e76132984167'
rest: ''

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'TALB' (Album/Movie/Show title)                     'Genius: The Best of Warren Zevon'
'TBPM' (BPM (beats per minute))                     '107.492'
'TCOM' (Composer)                                   'David Lindell/Warren Zevon'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'rock-cppex', 'ifs-songwriter-folk', 'ifs-songwriter-rock']
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-10-15'
'TIT2' (Title/songname/content description)         'Roland the Headless Thompson Gunner'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Warren Zevon'
'TPE2' (Band/orchestra/accompaniment)               'Warren Zevon'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Elektra Entertainment/Rhino'
'TRCK' (Track number/Position in set)               '6/22'
'TSO2'                                              'Zevon, Warren'
'TSOP' (Performer sort order)                       'Zevon, Warren'
'TSRC' (ISRC (international standard recording code))  'USEE10610106'
'TXXX:ASIN'                                         'B00006LA4I'
'TXXX:Acoustid Id'                                  '9121ff37-b383-48d8-bb26-e76132984167'
'TXXX:BARCODE'                                      '081227377120'
'TXXX:CATALOGNUMBER'                                'R2 73771/R2 73771'
'TXXX:MusicBrainz Album Artist Id'                  '970fb29f-e288-403e-a388-d2a7889bfa47'
'TXXX:MusicBrainz Album Id'                         '7a2ff025-5519-4c67-aa66-6b2921405a57'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '970fb29f-e288-403e-a388-d2a7889bfa47'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['classic rock', 'alternative', 'rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.457445'
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========================== row from database ==========================
                                              'id'  1356307
                                            'path'  /data/Music/Bulk/00poprockelectronic/Warren Zevon - Genius - The Best of/06-roland the headless thompson gunner.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  224
                                           'genre'  rock-unsorted;rock-cppex;ifs-songwriter-folk;ifs-songwriter-rock
                                        'filesize'  5401923
                                           'mtime'  1642256492
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06 roland headless thompson gunner rock unsorted;rock cppex;ifs songwriter folk;ifs songwriter rock
                                      'tag_artist'  Warren Zevon
                                     'tag_release'  Genius: The Best of Warren Zevon
                                       'tag_title'  Roland the Headless Thompson Gunner
                                             'bpm'  107.492
                                    'search_title'  'gunner':5 'headless':3 'roland':1 'the':2 'thompson':4
                                   'search_artist'  'warren':1 'zevon':2
                                  'search_release'  'best':4 'genius':1,2 'of':5 'the':3 'warren':6 'zevon':7
                                     'search_rest'  '00poprockelectronic':1 'cppex':11,13 'folk':16,18 'gunner':5 'headless':3 'ifs':12,14,17,19 'rock':6,8,10 'roland':2 'songwriter':15 'thompson':4 'unsorted':7,9
                                    'search_combo'  '00poprockelectronic':15 'best':11C 'cppex':25,27 'folk':30,32 'genius':8C,9C 'gunner':5A,19 'headless':3A,17 'ifs':26,28,31,33 'of':12C 'rock':20,22,24 'roland':1A,16 'songwriter':29 'the':2A,10C 'thompson':4A,18 'unsorted':21,23 'warren':6B,13C 'zevon':7B,14C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-chart-3', 'q-drums-3', 'q-other-1', 'q-vocals-4', 'q-mixbeat-2', 'Q-PIANO-2']
                                      'lastfmtags'  ['classic rock', 'alternative', 'rock', 'folk', 'singer songwriter']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256492.2084255  (2022-01-15 15:21:32)
                             'size'  5401923