======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '91'
                                          'artist'  'Roy Orbison'
                                     'text_people'  ''
                                         'release'  '1955-1965 Box Set (Disc 7 of 7)'
                                           'title'  'Things Go Better With Coke'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'rock', 'rockabilly', 'oldies', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '33'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials'
                                             'bpm'  '144.645'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '1955-1965 Box Set (Disc 7 of 7)'
'TBPM' (BPM (beats per minute))                     '144.645'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-commercials'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Things Go Better With Coke'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '0'
'TPE1' (Lead performer(s)/Soloist(s))               'Roy Orbison'
'TRCK' (Track number/Position in set)               '33'
'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'                                   ['60s', 'rock', 'rockabilly', 'oldies', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.384207'

========================== row from database ==========================
                                              'id'  957074
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/Roy Orbison - Orbison CD7 - 33 - Things Go Better With Coke.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  91
                                           'genre'  nonmusic-commercials
                                        'filesize'  1480202
                                           'mtime'  1620525069
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa CD7 33 nonmusic commercials
                                      'tag_artist'  Roy Orbison
                                     'tag_release'  1955-1965 Box Set (Disc 7 of 7)
                                       'tag_title'  Things Go Better With Coke
                                             'bpm'  144.645
                                    'search_title'  'better':3 'coke':5 'go':2 'things':1 'with':4
                                   'search_artist'  'orbison':2 'roy':1
                                  'search_release'  '1955':1 '19551965':3 '1965':2 '7':8,10 'box':4 'disc':6,7 'of':9 'set':5
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '33':9 'cd7':8 'commercial':6 'commercials':11 'movietrailer':5 'nonmusic':10 'psa':7 'radio':4 'tv':3
                                    'search_combo'  '00commercials':19 '0nonmusic':18 '1955':8C '19551965':10C '1965':9C '33':26 '7':15C,17C 'better':3A 'box':11C 'cd7':25 'coke':5A 'commercial':23 'commercials':28 'disc':13C,14C 'go':2A 'movietrailer':22 'nonmusic':27 'of':16C 'orbison':7B 'psa':24 'radio':21 'roy':6B 'set':12C 'things':1A 'tv':20 'with':4A
                                    'tag_tracknum'  33
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['60s', 'rock', 'rockabilly', 'oldies', 'classic rock']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525069.3648858  (2021-05-09 03:51:09)
                             'size'  1480202