======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '171'
                                          'artist'  'Eagles'
                                     'text_people'  ''
                                         'release'  'The Very Best of the Eagles (disc 1)'
                                           'title'  'Tequila Sunrise'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['country', 'soft rock', 'rock', '70s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-pop-soft'
                                             'bpm'  '110.122'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best of the Eagles (disc 1)'
'TBPM' (BPM (beats per minute))                     '110.122'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-soft'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Tequila Sunrise'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eagles'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['country', 'soft rock', 'rock', '70s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.656649'

========================== row from database ==========================
                                              'id'  1293336
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Eagles - Tequila Sunrise - The Very Best of the Eagles (disc 1).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  171
                                           'genre'  rock-pop-soft
                                        'filesize'  2751494
                                           'mtime'  1620736591
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] rock pop soft
                                      'tag_artist'  Eagles
                                     'tag_release'  The Very Best of the Eagles (disc 1)
                                       'tag_title'  Tequila Sunrise
                                             'bpm'  110.122
                                    'search_title'  'sunrise':2 'tequila':1
                                   'search_artist'  'eagles':1
                                  'search_release'  '1':8,9 'best':3 'disc':6,7 'eagles':5 'of':4 'the':1 'very':2
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'pop':8 'rock':7 'soft':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 '1':11C,12C 'best':6C 'disc':9C,10C 'eagles':3B,8C 'files':17,18 'loose':15,16 'of':7C 'pop':20 'rock':19 'soft':21 'sunrise':2A 'tequila':1A 'the':4C 'unsorted':14 'very':5C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['country', 'soft rock', 'rock', '70s', 'classic rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736590.8003795  (2021-05-11 14:36:30)
                             'size'  2751494