======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '36'
                                          'artist'  'Lou Harrison'
                                     'text_people'  ''
                                         'release'  'Tellus #14: Just Intonation'
                                           'title'  "A Phrase for Arion's Leap"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
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 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
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                                      'lastfmtags'  ("['gamelan', 'contemporary classical', 'avant garde', 'experimental', "
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                                     'discogstags'  "['classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '140.3'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tellus #14: Just Intonation'
'TBPM' (BPM (beats per minute))                     '140.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-oddness', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         "A Phrase for Arion's Leap"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lou Harrison'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'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'                                        '3'
'TXXX:discogstags'                                  'classical'
'TXXX:lastfmtags'                                   ['gamelan',
 'contemporary classical',
 'avant garde',
 'experimental',
 'classical']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.523477'

========================== row from database ==========================
                                              'id'  1501693
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1986 - Tellus #14 - Just Intonation/05 - Lou Harrison - A Phrase for Arion_s Leap.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  36
                                           'genre'  electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  1114798
                                           'mtime'  1636915910
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1986 05 Arion_s electronic experimental oddness;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Lou Harrison
                                     'tag_release'  Tellus #14: Just Intonation
                                       'tag_title'  A Phrase for Arion's Leap
                                             'bpm'  140.3
                                    'search_title'  'a':1 'arion':4 'arions':6 'for':3 'leap':7 'phrase':2 's':5
                                   'search_artist'  'harrison':2 'lou':1
                                  'search_release'  '14':2,3 'intonation':5 'just':4 'tellus':1
                                     'search_rest'  '1986':4 'arion':5 'audio':1 'cassette':2 'electronic':7 'experimental':8 'magazine':3 'mor':18 'oddness':9,11 'pl':13 's':6 'set':10,12,15,17 'shirleyspinoza':14,16
                                    'search_combo'  '14':11C,12C '1986':18 'a':1A 'arion':4A,19 'arions':6A 'audio':15 'cassette':16 'electronic':21 'experimental':22 'for':3A 'harrison':9B 'intonation':14C 'just':13C 'leap':7A 'lou':8B 'magazine':17 'mor':32 'oddness':23,25 'phrase':2A 'pl':27 's':5A,20 'set':24,26,29,31 'shirleyspinoza':28,30 'tellus':10C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['gamelan', 'contemporary classical', 'avant garde', 'experimental', 'classical']
                                        'tag_date'  1986
                                     'discogstags'  ['classical']

============================== file details ==============================
                                           'mtime'  1636915910.34776  (2021-11-14 19:51:50)
                             'size'  1114798